APA

United States, . (1968). Vocational education amendments of 1968: Hearings, Ninetieth Congress, second session, on H.R. 16460. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1968. Vocational education amendments of 1968: Hearings, Ninetieth Congress, second session, on H.R. 16460. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1968). Vocational education amendments of 1968: Hearings, Ninetieth Congress, second session, on H.R. 16460. Washington: U.S. Govt. Print. Off.

MLA

United States, . Vocational education amendments of 1968: Hearings, Ninetieth Congress, second session, on H.R. 16460. Washington: U.S. Govt. Print. Off. 1968.