United States. National Recovery Administration. (1934). Approved Code 244-Supplement No. 9-Reprint: Supplementary Code of Fair Competition for the Plumbing Contracting Industry (A Division of the Construction Industry), as Approved on May 15, 1934, by President Roosevelt. [s.n.].
Chicago Style (17th ed.) CitationUnited States. National Recovery Administration. Approved Code 244-Supplement No. 9-Reprint: Supplementary Code of Fair Competition for the Plumbing Contracting Industry (A Division of the Construction Industry), as Approved on May 15, 1934, by President Roosevelt. [Washington]: [s.n.], 1934.
MLA (9th ed.) CitationUnited States. National Recovery Administration. Approved Code 244-Supplement No. 9-Reprint: Supplementary Code of Fair Competition for the Plumbing Contracting Industry (A Division of the Construction Industry), as Approved on May 15, 1934, by President Roosevelt. [s.n.], 1934.