Bibliography - Earth Sciences bibliographies - in Harvard style

In-text: (Carlson, 2011)

Your Bibliography: Carlson, C., 2011. NPK Fertilizer: What is it and How Does it Work?. [online] Feeco International Inc. Available at: <http://feeco.com/npk-fertilizer-what-is-it-and-how-does-it-work/> [Accessed 22 March 2015].

In-text: (Cellular Respiration, 2015)

Your Bibliography: Cliffsnotes.com. 2015. Cellular Respiration. [online] Available at: <http://www.cliffsnotes.com/sciences/biology/microbiology/microbial-metabolism/cellular-respiration> [Accessed 22 March 2015].

In-text: (Cell Respiration: Oxidative Phosphorylation, 2015)

Your Bibliography: Phschool.com. 2015. Cell Respiration: Oxidative Phosphorylation. [online] Available at: <http://www.phschool.com/science/biology_place/biocoach/cellresp/oxidative.html> [Accessed 22 March 2015].

In-text: (Sunlight Supply, Inc., 2015)

Your Bibliography: Sunlightsupply.com. 2015. Sunlight Supply, Inc.. [online] Available at: <https://www.sunlightsupply.com/page/the-npks-of-growing/> [Accessed 22 March 2015].

In-text: (Photosynthesis, 2015)

Your Bibliography: Wikipedia. 2015. Photosynthesis. [online] Available at: <http://en.wikipedia.org/wiki/Photosynthesis#> [Accessed 22 March 2015].