(1780). A map of America between latitudes 40 and 70 north, and longitudes 45 and 180 west: Exhibiting the principal trading stations of the North West Company. s.n..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रA Map of America Between Latitudes 40 and 70 North, and Longitudes 45 and 180 West: Exhibiting the Principal Trading Stations of the North West Company. [S.l.: s.n., 1780.
एमएलए (8वां संस्करण) प्रशस्ति पत्रA Map of America Between Latitudes 40 and 70 North, and Longitudes 45 and 180 West: Exhibiting the Principal Trading Stations of the North West Company. s.n., 1780.
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