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.
Παραπομπή Chicago StyleSalim Ali και 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.
Παραπομπή MLASalim Ali και 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.
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