United States. Bureau of Reclamation. (1942). Columbia Basin joint investigations: Recreational use : final report of the Committee for the study of Problem no. 26, joint investigations, Columbia Basin Irrigation Project, Washington : [summary report]. U.S. Dept. of the Interior, Bureau of Reclamation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Bureau of Reclamation. Columbia Basin Joint Investigations: Recreational Use : Final Report of the Committee for the Study of Problem No. 26, Joint Investigations, Columbia Basin Irrigation Project, Washington : [summary Report]. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Reclamation, 1942.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Bureau of Reclamation. Columbia Basin Joint Investigations: Recreational Use : Final Report of the Committee for the Study of Problem No. 26, Joint Investigations, Columbia Basin Irrigation Project, Washington : [summary Report]. U.S. Dept. of the Interior, Bureau of Reclamation, 1942.