APA

United States, . (1971). Mobile teachers retirement assistance act: Hearings, Ninety-first Congress, second session, on H.R. 13916 ... December 11, 1969, and June 23, 1970. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1971. Mobile teachers retirement assistance act: Hearings, Ninety-first Congress, second session, on H.R. 13916 ... December 11, 1969, and June 23, 1970. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1971). Mobile teachers retirement assistance act: Hearings, Ninety-first Congress, second session, on H.R. 13916 ... December 11, 1969, and June 23, 1970. Washington: U.S. Govt. Print. Off.

MLA

United States, . Mobile teachers retirement assistance act: Hearings, Ninety-first Congress, second session, on H.R. 13916 ... December 11, 1969, and June 23, 1970. Washington: U.S. Govt. Print. Off. 1971.