APA (7e ed.) Bronvermelding
Freyfogle, E. T. (2006). Why conservation is failing and how it can regain ground. Yale University Press.
Chicago (17e ed.) Bronvermelding
Freyfogle, Eric T. Why Conservation Is Failing and How It Can Regain Ground. New Haven: Yale University Press, 2006.
MLA (9e ed.) Bronvermelding
Freyfogle, Eric T. Why Conservation Is Failing and How It Can Regain Ground. Yale University Press, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.