Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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