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.
Chicago ZitierstilSalim Ali und 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 ZitierstilSalim Ali und 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.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.