United States. Congress. Senate. Committee on Foreign Relations & ProQuest (Firm). (1972). U.N. Conference on Human Environment: preparations and prospects: Hearings, Ninety-second Congress, second session ... May 3, 4, and 5, 1972. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations and ProQuest (Firm). U.N. Conference on Human Environment: Preparations and Prospects: Hearings, Ninety-second Congress, Second Session ... May 3, 4, and 5, 1972. Washington: U.S. Govt. Print. Off, 1972.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Foreign Relations and ProQuest (Firm). U.N. Conference on Human Environment: Preparations and Prospects: Hearings, Ninety-second Congress, Second Session ... May 3, 4, and 5, 1972. U.S. Govt. Print. Off, 1972.