Ali, S. Handbook of the birds of India and Pakistan: Together with those of Bangladesh, Nepal, Bhutan and Sri Lanka.
Cita Chicago (17th ed.)Ali, Salim. Handbook of the Birds of India and Pakistan: Together with Those of Bangladesh, Nepal, Bhutan and Sri Lanka.
Cita MLA (9th ed.)Ali, Salim. Handbook of the Birds of India and Pakistan: Together with Those of Bangladesh, Nepal, Bhutan and Sri Lanka.
Atenció: Aquestes cites poden no estar 100% correctes.