Salim, A., & Ripley, S. D. (1969). Hand book of the birds of India and pakistan V2: : V2. Aacdemic press.
Chicago Style aipamenaSalim, Ali, and S. Dillon Ripley. Hand Book of the Birds of India and Pakistan V2: : V2. London: Aacdemic press, 1969.
MLA aipamenaSalim, Ali, and S. Dillon Ripley. Hand Book of the Birds of India and Pakistan V2: : V2. Aacdemic press, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.