United States. Congress. House. Committee on Patents & ProQuest (Firm). (1930). General Revision of the Copyright Law: Hearings before the United States House Committee on Patents, Seventy-First Congress, second session, on May 19, 1930. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Patents and ProQuest (Firm). General Revision of the Copyright Law: Hearings Before the United States House Committee on Patents, Seventy-First Congress, Second Session, on May 19, 1930. Washington: U.S. G.P.O., 1930.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Patents and ProQuest (Firm). General Revision of the Copyright Law: Hearings Before the United States House Committee on Patents, Seventy-First Congress, Second Session, on May 19, 1930. U.S. G.P.O., 1930.