APA-referens (7:e uppl.)
Association for Biodiversity Information, Nature Conservancy (U.S.), ebrary, Inc, Adams, J. S., Kutner, L. S., & Stein, B. A. (2000). Precious heritage: The status of biodiversity in the United States. Oxford University Press.
Chicago-referens (17:e uppl.)
Association for Biodiversity Information, Nature Conservancy (U.S.), Inc ebrary, Jonathan S. Adams, Lynn S. Kutner, och Bruce A. Stein. Precious Heritage: The Status of Biodiversity in the United States. Oxford ; New York: Oxford University Press, 2000.
MLA-referens (9:e uppl.)
Association for Biodiversity Information, et al. Precious Heritage: The Status of Biodiversity in the United States. Oxford University Press, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.