APA (7th ed.) Zitazioa
ebrary, Inc, & Carleton, H. B. (2009). The Endangered Species Act: Primer, evaluation and prospects. Nova Science Publishers, Inc..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Harold B. Carleton. The Endangered Species Act: Primer, Evaluation and Prospects. New York: Nova Science Publishers, Inc., 2009.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Harold B. Carleton. The Endangered Species Act: Primer, Evaluation and Prospects. Nova Science Publishers, Inc., 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.