APA (7 ম সংস্করণ) উদ্ধৃতি

U.S. National Archives and Records Service. General Services Administration. Records Management Division. (1955). Records management handbook: Managing correspondence _ plain letters. s.n.].

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

U.S. National Archives and Records Service. General Services Administration. Records Management Division. Records Management Handbook: Managing Correspondence _ Plain Letters. s.n.], 1955.