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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Grabert, 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Grabert, 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.