Various. Birds and All Nature, Vol. 5, No. 5, May 1899 Illustrated by Color Photography.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVarious. Birds and All Nature, Vol. 5, No. 5, May 1899 Illustrated by Color Photography.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVarious. Birds and All Nature, Vol. 5, No. 5, May 1899 Illustrated by Color Photography.
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