United States. Congress. House. Committee on Irrigation and Reclamation. (1928). The Columbia Basin project: Hearings before the Committee on Irrigation and Reclamation, House of Representatives, Seventieth Congress, first session on H.R. 7029, by Mr. Summers, a bill for the adoption of the Columbia Basin Reclamation Project, and for other purposes. January 16 and 17, 1928. U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Congress. House. Committee on Irrigation and Reclamation. The Columbia Basin Project: Hearings Before the Committee on Irrigation and Reclamation, House of Representatives, Seventieth Congress, First Session on H.R. 7029, by Mr. Summers, a Bill for the Adoption of the Columbia Basin Reclamation Project, and for Other Purposes. January 16 and 17, 1928. Washington: U.S. Govt. Print. Off., 1928.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Congress. House. Committee on Irrigation and Reclamation. The Columbia Basin Project: Hearings Before the Committee on Irrigation and Reclamation, House of Representatives, Seventieth Congress, First Session on H.R. 7029, by Mr. Summers, a Bill for the Adoption of the Columbia Basin Reclamation Project, and for Other Purposes. January 16 and 17, 1928. U.S. Govt. Print. Off., 1928.