Washington (State). Department of Fisheries, Washington (State). Department of Game, & United States. Bureau of Fisheries. (1938). Report of the preliminary investigations into the possible methods of preserving the Columbia River salmon and steelhead at the Grand Coulee Dam.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington (State). Department of Fisheries, Washington (State). Department of Game, و United States. Bureau of Fisheries. Report of the Preliminary Investigations into the Possible Methods of Preserving the Columbia River Salmon and Steelhead at the Grand Coulee Dam. [Seattle?, 1938.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington (State). Department of Fisheries, et al. Report of the Preliminary Investigations into the Possible Methods of Preserving the Columbia River Salmon and Steelhead at the Grand Coulee Dam. 1938.