APA

United States, . (1977). Sexual exploitation of children: hearings before the Subcommittee on Select Education of the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, first session. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1977. Sexual exploitation of children: hearings before the Subcommittee on Select Education of the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, first session. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1977). Sexual exploitation of children: hearings before the Subcommittee on Select Education of the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, first session. Washington: U.S. Govt. Print. Off.

MLA

United States, . Sexual exploitation of children: hearings before the Subcommittee on Select Education of the Committee on Education and Labor, House of Representatives, Ninety-fifth Congress, first session. Washington: U.S. Govt. Print. Off. 1977.