United States. National Recovery Administration. (1934). Supplementary code of fair competition for the sheet metal distributing trade (a division of the wholesaling or distributing trade) as approved on July 27, 1934. United States Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. National Recovery Administration. Supplementary Code of Fair Competition for the Sheet Metal Distributing Trade (a Division of the Wholesaling or Distributing Trade) as Approved on July 27, 1934. Washington: United States Government Printing Office, 1934.
MLA (9th ed.) CitationUnited States. National Recovery Administration. Supplementary Code of Fair Competition for the Sheet Metal Distributing Trade (a Division of the Wholesaling or Distributing Trade) as Approved on July 27, 1934. United States Government Printing Office, 1934.