Wright, W. H. (1909). The grizzly bear: The narrative of a hunter-naturalist, historical, scientific and adventurous. C. Scribner's sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWright, William H. The Grizzly Bear: The Narrative of a Hunter-naturalist, Historical, Scientific and Adventurous. New York: C. Scribner's sons, 1909.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWright, William H. The Grizzly Bear: The Narrative of a Hunter-naturalist, Historical, Scientific and Adventurous. C. Scribner's sons, 1909.
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