Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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