Lua APA (7ú heag.)
ebrary, Inc, & Carleton, H. B. (2009). The Endangered Species Act: Primer, evaluation and prospects. Nova Science Publishers, Inc..
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Harold B. Carleton. The Endangered Species Act: Primer, Evaluation and Prospects. New York: Nova Science Publishers, Inc., 2009.
Lua MLA (9ú heag.)
ebrary, Inc, agus Harold B. Carleton. The Endangered Species Act: Primer, Evaluation and Prospects. Nova Science Publishers, Inc., 2009.
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