Evans, S. (2006). The borderlands of the American and Canadian Wests: Essays on regional history of the forty-ninth parallel. University of Nebraska Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEvans, Sterling. The Borderlands of the American and Canadian Wests: Essays on Regional History of the Forty-ninth Parallel. Lincoln: University of Nebraska Press, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEvans, Sterling. The Borderlands of the American and Canadian Wests: Essays on Regional History of the Forty-ninth Parallel. University of Nebraska Press, 2006.
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