United States. National Park Service & Caywood, L. R. (1955). Final report, Fort Vancouver excavations. U.S. Dept. of the Interior, National Park Service, Region Four.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. National Park Service और Louis R. Caywood. Final Report, Fort Vancouver Excavations. San Francisco: U.S. Dept. of the Interior, National Park Service, Region Four, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. National Park Service और Louis R. Caywood. Final Report, Fort Vancouver Excavations. U.S. Dept. of the Interior, National Park Service, Region Four, 1955.
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