Ali, S., & Ripley, S. D. (1968). Handbook of the birds of India and Pakistan: Together with those of Nepal, Sikkim, Bhutan and Ceylon. Oxford University Press.
Citace podle Chicago (17th ed.)Ali, Sálim, a Sidney Dillon Ripley. Handbook of the Birds of India and Pakistan: Together with Those of Nepal, Sikkim, Bhutan and Ceylon. Bombay: Oxford University Press, 1968.
Citace podle MLA (8th ed.)Ali, Sálim, a Sidney Dillon Ripley. Handbook of the Birds of India and Pakistan: Together with Those of Nepal, Sikkim, Bhutan and Ceylon. Oxford University Press, 1968.
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