water degradation - Earth Sciences bibliographies - in Harvard style

In-text: (Bullock, Cosgrove, Van Der Hoek and Winpenny, 2009)

Your Bibliography: Bullock, A., Cosgrove, W., Van Der Hoek, W. and Winpenny, J., 2009. The United Nations World Water Development: Water in a Changing World. World Water Assessment Programme, Report 3, p.139.

In-text: (Gleick, 2002)

Your Bibliography: Gleick, 2002. > Water-related Insect Vectors - Global Water-Related Disease. [online] Sites.google.com. Available at: <https://sites.google.com/site/mwakewebpagedevelopment2013/what-are-they/water-related-diseases> [Accessed 16 March 2015].

In-text: (Palaniappan and Gleick, 2010)

Your Bibliography: Palaniappan, M. and Gleick, P., 2010. Clearing the Waters. A focus on Water Quality Solutions,.