Ali, S. A Pictorial guide to the birds of the Indian Subcontinet.
Cita Chicago (17th ed.)Ali, Salim. A Pictorial Guide to the Birds of the Indian Subcontinet.
Cita MLA (9th ed.)Ali, Salim. A Pictorial Guide to the Birds of the Indian Subcontinet.
Atenció: Aquestes cites poden no estar 100% correctes.