APA

United States, . (1973). Value engineering--1973: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1973. Value engineering--1973: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1973). Value engineering--1973: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off.

MLA

United States, . Value engineering--1973: Hearings, Ninety-third Congress, first session. Washington: U.S. Govt. Print. Off. 1973.