United States. National Recovery Administration. (1934). Supplementary code of fair competition for the insulation contractors industry (a division of the construction industry) as approved on June 7, 1934. United States Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. National Recovery Administration. Supplementary Code of Fair Competition for the Insulation Contractors Industry (a Division of the Construction Industry) as Approved on June 7, 1934. Washington: United States Government Printing Office, 1934.
MLA (9th ed.) CitationUnited States. National Recovery Administration. Supplementary Code of Fair Competition for the Insulation Contractors Industry (a Division of the Construction Industry) as Approved on June 7, 1934. United States Government Printing Office, 1934.