Grabert, G. F. (1968). The Astor Fort Okanogan: A final report on salvage archaeology in the wells reservoir, Part II. University of Washington, Dept. of Anthropology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrabert, Garland Frederick. The Astor Fort Okanogan: A Final Report on Salvage Archaeology in the Wells Reservoir, Part II. Seattle: University of Washington, Dept. of Anthropology, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrabert, Garland Frederick. The Astor Fort Okanogan: A Final Report on Salvage Archaeology in the Wells Reservoir, Part II. University of Washington, Dept. of Anthropology, 1968.
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