APA

United States, . (1948). Local enforcement of safety regulations: hearing, 80th Congress, 2d session, on H.R. 6147, May 4, 1948. [Washington, D.C.]: .

Chicago

United States, . 1948. Local enforcement of safety regulations: hearing, 80th Congress, 2d session, on H.R. 6147, May 4, 1948. [Washington, D.C.]: .

Harvard

United States, . (1948). Local enforcement of safety regulations: hearing, 80th Congress, 2d session, on H.R. 6147, May 4, 1948. [Washington, D.C.]: .

MLA

United States, . Local enforcement of safety regulations: hearing, 80th Congress, 2d session, on H.R. 6147, May 4, 1948. [Washington, D.C.]: . 1948.