United States. Department of the Interior. (1956). Crooked River project, Oregon: Letter from Secretary of the Interior, transmitting a report on the Crooked River project, Oregon, pursuant to section 9 (A) of the Reclamation project act of 1939 (53 Stat. 1187). U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Department of the Interior. Crooked River Project, Oregon: Letter from Secretary of the Interior, Transmitting a Report on the Crooked River Project, Oregon, Pursuant to Section 9 (A) of the Reclamation Project Act of 1939 (53 Stat. 1187). Washington: U.S. Govt. Print. Off., 1956.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Department of the Interior. Crooked River Project, Oregon: Letter from Secretary of the Interior, Transmitting a Report on the Crooked River Project, Oregon, Pursuant to Section 9 (A) of the Reclamation Project Act of 1939 (53 Stat. 1187). U.S. Govt. Print. Off., 1956.