APA-referens (7:e uppl.)

Rafferty, J. P. (2011). Conservation and ecology. Britannica Educational Pub. in association with Rosen Educational Services.

Chicago-referens (17:e uppl.)

Rafferty, John P. Conservation and Ecology. New York, NY: Britannica Educational Pub. in association with Rosen Educational Services, 2011.

MLA-referens (8:e uppl.)

Rafferty, John P. Conservation and Ecology. Britannica Educational Pub. in association with Rosen Educational Services, 2011.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.