APA (7th ed.) Zitazioa

Grewal, B. (2000). Birds of the Indian Subcontenent. Westland Road.

Chicago Style (17th ed.) Zitazioa

Grewal, Bikram. Birds of the Indian Subcontenent. Hongkong: Westland Road, 2000.

MLA (9th ed.) Zitazioa

Grewal, Bikram. Birds of the Indian Subcontenent. Westland Road, 2000.