APA

United States, . (1950). Railway Labor Act amendments: hearings, 81st Congress, 2d session, on H.R. 7789, May 9-June 7, 1950. [Washington, D.C.]: .

Chicago

United States, . 1950. Railway Labor Act amendments: hearings, 81st Congress, 2d session, on H.R. 7789, May 9-June 7, 1950. [Washington, D.C.]: .

Harvard

United States, . (1950). Railway Labor Act amendments: hearings, 81st Congress, 2d session, on H.R. 7789, May 9-June 7, 1950. [Washington, D.C.]: .

MLA

United States, . Railway Labor Act amendments: hearings, 81st Congress, 2d session, on H.R. 7789, May 9-June 7, 1950. [Washington, D.C.]: . 1950.