United States. National Recovery Administration. (1934). Amendment to code of fair competition for the clay and shale roofing tile industry as approved on December 7, 1934. United States Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. National Recovery Administration. Amendment to Code of Fair Competition for the Clay and Shale Roofing Tile Industry as Approved on December 7, 1934. Washington: United States Government Printing Office, 1934.
MLA (9th ed.) CitationUnited States. National Recovery Administration. Amendment to Code of Fair Competition for the Clay and Shale Roofing Tile Industry as Approved on December 7, 1934. United States Government Printing Office, 1934.
Warning: These citations may not always be 100% accurate.