Salim Ali & Dhillon, S. (2001). Handbook of the birds of India and Pakistan together with those of Bengladesh, Nepal, Bhutan and Srilanka: Vol-1: divers to hawks (2nd ed.). Oxford University Press.
Chicago Style aipamenaSalim Ali and S. Dhillon. Handbook of the Birds of India and Pakistan Together with Those of Bengladesh, Nepal, Bhutan and Srilanka: Vol-1: Divers to Hawks. 2nd ed. New Delhi: Oxford University Press, 2001.
MLA aipamenaSalim Ali and S. Dhillon. Handbook of the Birds of India and Pakistan Together with Those of Bengladesh, Nepal, Bhutan and Srilanka: Vol-1: Divers to Hawks. 2nd ed. Oxford University Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.