Columbia (Ship : 1787-1801), Howay, F. W., Haswell, R., Hoskins, J. B., & Boit, J. (1990). Voyages of the "Columbia" to the Northwest coast, 1787-1790 and 1790-1793. Oregon Historical Society Press in cooperation with the Massachusetts Historical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColumbia (Ship : 1787-1801), F. W. Howay, Robert Haswell, John Box Hoskins, और John Boit. Voyages of the "Columbia" to the Northwest Coast, 1787-1790 and 1790-1793. Portland, OR: Oregon Historical Society Press in cooperation with the Massachusetts Historical Society, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रColumbia (Ship : 1787-1801), et al. Voyages of the "Columbia" to the Northwest Coast, 1787-1790 and 1790-1793. Oregon Historical Society Press in cooperation with the Massachusetts Historical Society, 1990.