Phelps, W. D., Sturgis, W., Swan, J. G., Busch, B. C., & Gough, B. M. (1997). Fur traders from New England: The Boston men in the North Pacific, 1787-1800 : the narratives of William Dane Phelps, William Sturgis, and James Gilchrist Swan. Arthur H. Clark Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhelps, William Dane, William Sturgis, James G. Swan, Briton Cooper Busch, और Barry M. Gough. Fur Traders from New England: The Boston Men in the North Pacific, 1787-1800 : The Narratives of William Dane Phelps, William Sturgis, and James Gilchrist Swan. Spokane, Wash.: Arthur H. Clark Co., 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPhelps, William Dane, et al. Fur Traders from New England: The Boston Men in the North Pacific, 1787-1800 : The Narratives of William Dane Phelps, William Sturgis, and James Gilchrist Swan. Arthur H. Clark Co., 1997.