Morgan, L. H. (1868). The American beaver and his works. Lippincott.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMorgan, Lewis Henry. The American Beaver and His Works. Philadelphia: Lippincott, 1868.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMorgan, Lewis Henry. The American Beaver and His Works. Lippincott, 1868.
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