Czech, B., & Krausman, P. R. (2001). The Endangered Species Act: History, conservation biology, and public policy. Johns Hopkins University Press.
Chicago Style (17. basım) AtıfCzech, Brian, ve Paul R. Krausman. The Endangered Species Act: History, Conservation Biology, and Public Policy. Baltimore: Johns Hopkins University Press, 2001.
MLA (9th ed.) AtıfCzech, Brian, ve Paul R. Krausman. The Endangered Species Act: History, Conservation Biology, and Public Policy. Johns Hopkins University Press, 2001.
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