Estados Unidos. Federal Register Division, editor. (1957). United States Government Organization Manual: 1957-58, rev. as of june 1, 1957. Federal Register Division, National Archives and Records Service, General Services Administration.
Cita Chicago Style (17a ed.)Estados Unidos. Federal Register Division, editor. United States Government Organization Manual: 1957-58, Rev. as of June 1, 1957. Washington: Federal Register Division, National Archives and Records Service, General Services Administration, 1957.
Cita MLA (9a ed.)Estados Unidos. Federal Register Division, editor. United States Government Organization Manual: 1957-58, Rev. as of June 1, 1957. Federal Register Division, National Archives and Records Service, General Services Administration, 1957.
