APA
United States, . (1951). Railroad retirement amendments: hearings, 82d Congress, 1st session, on H.R. 3669, H.R. 3755, and other, May 15-June 6, 1951. [Washington, D.C.]: .
Chicago
United States, . 1951. Railroad retirement amendments: hearings, 82d Congress, 1st session, on H.R. 3669, H.R. 3755, and other, May 15-June 6, 1951. [Washington, D.C.]: .
Harvard
United States, . (1951). Railroad retirement amendments: hearings, 82d Congress, 1st session, on H.R. 3669, H.R. 3755, and other, May 15-June 6, 1951. [Washington, D.C.]: .
MLA
United States, . Railroad retirement amendments: hearings, 82d Congress, 1st session, on H.R. 3669, H.R. 3755, and other, May 15-June 6, 1951. [Washington, D.C.]: . 1951.