External Materials in construction - Engineering bibliographies - in Harvard style

In-text: (Concrete | Advantages and Disadvantages of Concrete, 2013)

Your Bibliography: Civil Engineers Forum. 2013. Concrete | Advantages and Disadvantages of Concrete. [online] Available at: <http://civilengineersforum.com/concrete-advantages-disadvantages/> [Accessed 10 February 2015].

In-text: (advantages and disadvantages in using glass in construction- GharExpert, 2015)

Your Bibliography: Gharexpert.com. 2015. advantages and disadvantages in using glass in construction- GharExpert. [online] Available at: <http://www.gharexpert.com/ques_ans/ans_to_ques.aspx?qid=368> [Accessed 10 February 2015].

In-text: (2015)

Your Bibliography: Hcgl.eng.ohio-state.edu. 2015. [online] Available at: <http://hcgl.eng.ohio-state.edu/~ceg532/chap1/chap1_2.htm> [Accessed 10 February 2015].

In-text: (Building Materials: pros and cons of brick and block, 2012)

Your Bibliography: Thisisbuildingmaterials.blogspot.co.uk. 2012. Building Materials: pros and cons of brick and block. [online] Available at: <http://thisisbuildingmaterials.blogspot.co.uk/2012/03/pros-and-cons-of-brick-and-block.html> [Accessed 10 February 2015].