Ohio State University. Biological Club. The Ohio Naturalist, Vol. II, No. 1, November, 1901.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOhio State University. Biological Club. The Ohio Naturalist, Vol. II, No. 1, November, 1901.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOhio State University. Biological Club. The Ohio Naturalist, Vol. II, No. 1, November, 1901.
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