APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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