construction materials properties, performance criteria, how is concrete, steel and timber, how to preserve concrete, steel and timber - Engineering bibliographies - in Harvard style

In-text: (Absolute and Relative Gas Concentration: Understanding Oxygen in Air, 2015)

Your Bibliography: 2015. Absolute and Relative Gas Concentration: Understanding Oxygen in Air. 1st ed. [ebook] Bruce Bugbee and Mark Blonquist, p.7. Available at: <http://www.apogeeinstruments.co.uk/content/AbsoluteandRelativeGasConcentration.pdf> [Accessed 1 February 2015].

In-text: (Asian Long-horned Beetle, 2015)

Your Bibliography: Agf.gov.bc.ca. 2015. Asian Long-horned Beetle. [online] Available at: <http://www.agf.gov.bc.ca/cropprot/alhb.htm> [Accessed 1 February 2015].

In-text: (Collins, 2015)

Your Bibliography: Collins, M., 2015. Basic properties. [online] Concrete.org.uk. Available at: <http://www.concrete.org.uk/fingertips_nuggets.asp?cmd=display&id=525> [Accessed 31 January 2015].

In-text: (Wet Rot Fungus (Coniophora puteana) infestation midlands, 2015)

Your Bibliography: Marston Timber Preservation. 2015. Wet Rot Fungus (Coniophora puteana) infestation midlands. [online] Available at: <http://www.marstontimber.co.uk/wet_rot_infestation.php> [Accessed 1 February 2015].

In-text: (Environmental Impacts of Steel, 2015)

Your Bibliography: Metsec.com. 2015. Environmental Impacts of Steel. [online] Available at: <http://www.metsec.com/sustainability/environmental-impacts-of-steel/> [Accessed 31 January 2015].

In-text: (Glue Laminated Beams - Strength, flexibility and quality | RedBuilt LLC, 2015)

Your Bibliography: Redbuilt.com. 2015. Glue Laminated Beams - Strength, flexibility and quality | RedBuilt LLC. [online] Available at: <http://www.redbuilt.com/commercial-systems/glue-laminated-beams> [Accessed 31 January 2015].

In-text: (Metallic Corrosion ( Galvanic Corrosion ), 2015)

Your Bibliography: Roymech.co.uk. 2015. Metallic Corrosion ( Galvanic Corrosion ). [online] Available at: <http://www.roymech.co.uk/Useful_Tables/Corrosion/Cor_bi_met.html> [Accessed 31 January 2015].

In-text: (Siegers, 2015)

Your Bibliography: Siegers, E., 2015. Durability of Timber, Timber Durability Classes, Durability of Wood. [online] Woodsolutions.com.au. Available at: <http://www.woodsolutions.com.au/Articles/Resources/Durability> [Accessed 31 January 2015].

In-text: (Cost of structural steelwork, 2015)

Your Bibliography: Steelconstruction.info. 2015. Cost of structural steelwork. [online] Available at: <http://www.steelconstruction.info/Cost_of_structural_steelwork#Function.2C_sector_and_building_height> [Accessed 31 January 2015].

In-text: (Topliss, Hurst and Skarratt, 2010)

Your Bibliography: Topliss, S., Hurst, M. and Skarratt, G., 2010. Construction & the built environment. London: Edexcel.

In-text: (Timber Durability Chart, 2015)

Your Bibliography: Woodworkersuk.co.uk. 2015. Timber Durability Chart. [online] Available at: <http://www.woodworkersuk.co.uk/images/1900-timber-durability-chart.jpg> [Accessed 31 January 2015].