Ali, S., & Ripley, S. D. (1983). Handbook of the birds of India and Pakistan: Together with those of Bangladesh, Nepal, Bhutan and Sri Lanka. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAli, Salim, और S. Dhillon Ripley. Handbook of the Birds of India and Pakistan: Together with Those of Bangladesh, Nepal, Bhutan and Sri Lanka. Delhi: Oxford University Press, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAli, Salim, और S. Dhillon Ripley. Handbook of the Birds of India and Pakistan: Together with Those of Bangladesh, Nepal, Bhutan and Sri Lanka. Oxford University Press, 1983.
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