United States. Federal Communications Commission. (1939). Rules and Regulations (Title 47 - Telcommunication - Chapter I), Part 5, Rules and Regulations Governing Experimental Radio Stations, Effective Oct. 1, 1939. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Federal Communications Commission. Rules and Regulations (Title 47 - Telcommunication - Chapter I), Part 5, Rules and Regulations Governing Experimental Radio Stations, Effective Oct. 1, 1939. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Federal Communications Commission. Rules and Regulations (Title 47 - Telcommunication - Chapter I), Part 5, Rules and Regulations Governing Experimental Radio Stations, Effective Oct. 1, 1939. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.