APA

United States, . (1969). To establish a National Commission on Libraries and Information Science: Hearings, Ninety-first Congress, first session on H.R. 8839 and H.R. 908. April 15 and 17, 1969. Washington: U.S. Govt. Print. Off.

Chicago

United States, . 1969. To establish a National Commission on Libraries and Information Science: Hearings, Ninety-first Congress, first session on H.R. 8839 and H.R. 908. April 15 and 17, 1969. Washington: U.S. Govt. Print. Off.

Harvard

United States, . (1969). To establish a National Commission on Libraries and Information Science: Hearings, Ninety-first Congress, first session on H.R. 8839 and H.R. 908. April 15 and 17, 1969. Washington: U.S. Govt. Print. Off.

MLA

United States, . To establish a National Commission on Libraries and Information Science: Hearings, Ninety-first Congress, first session on H.R. 8839 and H.R. 908. April 15 and 17, 1969. Washington: U.S. Govt. Print. Off. 1969.