(1968). Code of Federal Regulations: Title 3 - The President: 1938-1943 Compilation.
Cita Chicago (17th ed.)Code of Federal Regulations: Title 3 - The President: 1938-1943 Compilation. 1968.
Cita MLA (9th ed.)Code of Federal Regulations: Title 3 - The President: 1938-1943 Compilation. 1968.
Atenció: Aquestes cites poden no estar 100% correctes.