Howay, F. W., Haswell, R., Hoskins, J. B., & Boit, J. (1941). Voyages of the "Columbia" to the northwest coast 1787-1790 and 1790-1793. Massachusetts Historical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoway, F. W., Robert Haswell, John Box Hoskins, और John Boit. Voyages of the "Columbia" to the Northwest Coast 1787-1790 and 1790-1793. [Boston]: Massachusetts Historical Society, 1941.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoway, F. W., et al. Voyages of the "Columbia" to the Northwest Coast 1787-1790 and 1790-1793. Massachusetts Historical Society, 1941.
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