Environmental Damage in International and Comparative Law: Problems of Definition and Valuation. : Oxford University Press, 2002-10-03. Oxford Scholarship Online. 2012-03-22. Date Accessed 21 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199255733.001.0001/acprof-9780199255733>.
(2002-10-03). Environmental Damage in International and Comparative Law: Problems of Definition and Valuation. : Oxford University Press. Retrieved 21 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199255733.001.0001/acprof-9780199255733.
Environmental Damage in International and Comparative Law: Problems of Definition and Valuation. : Oxford University Press, 2002-10-03. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199255733.001.0001/acprof-9780199255733.
Bowman M, Boyle A. Environmental Damage in International and Comparative Law: Problems of Definition and Valuation. Oxford University Press; 2002. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199255733.001.0001/acprof-9780199255733. Accessed May 21, 2013.