Παραπομπή APA

Salim Ali & Ripley, S. (2001). Handbook of the birds of India and Pakistan together with those of Bengladesh, Nepal, Bhutan, and Sri Lanka; vol.4: Frogmouths to Pittas (2nd ed.). Oxford University Press.

Παραπομπή Chicago Style

Salim Ali και S.Dilon Ripley. Handbook of the Birds of India and Pakistan Together with Those of Bengladesh, Nepal, Bhutan, and Sri Lanka; Vol.4: Frogmouths to Pittas. 2nd ed. New Delhi: Oxford University Press, 2001.

Παραπομπή MLA

Salim Ali και S.Dilon Ripley. Handbook of the Birds of India and Pakistan Together with Those of Bengladesh, Nepal, Bhutan, and Sri Lanka; Vol.4: Frogmouths to Pittas. 2nd ed. Oxford University Press, 2001.