U.S. National Archives and Records Service. General Services Administration. Records Management Division. (1955). Records management handbook: Managing correspondence _ plain letters. s.n.].
Citação do estilo Chicago (17ª ed.)U.S. National Archives and Records Service. General Services Administration. Records Management Division. Records Management Handbook: Managing Correspondence _ Plain Letters. [S.l: s.n.], 1955.
Citação MLA (9ª ed.)U.S. National Archives and Records Service. General Services Administration. Records Management Division. Records Management Handbook: Managing Correspondence _ Plain Letters. s.n.], 1955.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.