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.
استشهاد بنمط شيكاغوSalim Ali و 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.
MLA استشهادSalim Ali و 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.