APA-referens (7:e uppl.)

Nagle, J. C., & Ruhl, J. B. (2002). The law of biodiversity and ecosystem management. Foundation Press.

Chicago-referens (17:e uppl.)

Nagle, John Copeland, och J. B. Ruhl. The Law of Biodiversity and Ecosystem Management. New York: Foundation Press, 2002.

MLA-referens (9:e uppl.)

Nagle, John Copeland, och J. B. Ruhl. The Law of Biodiversity and Ecosystem Management. Foundation Press, 2002.