APA

United States, . (1971). Joint industry promotion programs: Hearing, Ninety-second Congress, first session, on H.R. 6195 ... May 10, 1971. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1971. Joint industry promotion programs: Hearing, Ninety-second Congress, first session, on H.R. 6195 ... May 10, 1971. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1971). Joint industry promotion programs: Hearing, Ninety-second Congress, first session, on H.R. 6195 ... May 10, 1971. Washington: U.S. Govt. Print. Off.

MLA

United States, . Joint industry promotion programs: Hearing, Ninety-second Congress, first session, on H.R. 6195 ... May 10, 1971. Washington: U.S. Govt. Print. Off. 1971.