Whistler, H. (1949). Popular handbook of Indian birds QL691 (4th ed.). Gurney and Jackson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWhistler, Hugh. Popular Handbook of Indian Birds QL691. 4th ed. London: Gurney and Jackson, 1949.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWhistler, Hugh. Popular Handbook of Indian Birds QL691. 4th ed. Gurney and Jackson, 1949.
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