United States. Congress. House. Committee on Rivers and Harbors. (1934). Columbia and Snake rivers, Oreg., Wash., and Idaho: Hearings before the Committee on rivers and harbors, House of representatives, Seventy-third Congress, second session, on the subject of the improvement of the Columbia and Snake rivers, Oreg., Wash., and Idaho. February 3, 1934. U.S. Govt. print. off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Congress. House. Committee on Rivers and Harbors. Columbia and Snake Rivers, Oreg., Wash., and Idaho: Hearings Before the Committee on Rivers and Harbors, House of Representatives, Seventy-third Congress, Second Session, on the Subject of the Improvement of the Columbia and Snake Rivers, Oreg., Wash., and Idaho. February 3, 1934. Washington: U.S. Govt. print. off., 1934.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Congress. House. Committee on Rivers and Harbors. Columbia and Snake Rivers, Oreg., Wash., and Idaho: Hearings Before the Committee on Rivers and Harbors, House of Representatives, Seventy-third Congress, Second Session, on the Subject of the Improvement of the Columbia and Snake Rivers, Oreg., Wash., and Idaho. February 3, 1934. U.S. Govt. print. off., 1934.