United States. Congress. Senate. Committee on Interior and Insular Affairs. (1950). Columbia River Basin: Hearings before the Committee on Interior and Insular Affairs, United States Senate, Eighty-first Congress, first and second sessions, on H.R. 5472, an act authorizing the construction, repair and preservation of certain public works on rivers and harbors for navigation, flood control and for other purposes. U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Congress. Senate. Committee on Interior and Insular Affairs. Columbia River Basin: Hearings Before the Committee on Interior and Insular Affairs, United States Senate, Eighty-first Congress, First and Second Sessions, on H.R. 5472, an Act Authorizing the Construction, Repair and Preservation of Certain Public Works on Rivers and Harbors for Navigation, Flood Control and for Other Purposes. Washington: U.S. Govt. Print. Off., 1950.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Congress. Senate. Committee on Interior and Insular Affairs. Columbia River Basin: Hearings Before the Committee on Interior and Insular Affairs, United States Senate, Eighty-first Congress, First and Second Sessions, on H.R. 5472, an Act Authorizing the Construction, Repair and Preservation of Certain Public Works on Rivers and Harbors for Navigation, Flood Control and for Other Purposes. U.S. Govt. Print. Off., 1950.