United Business Education Association (U.S.) & National Business Education Association. (1949). Business education forum. United Business Education Association.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited Business Education Association (U.S.) এবং National Business Education Association. Business Education Forum. [Washington, D.C.]: United Business Education Association, 1949.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnited Business Education Association (U.S.) এবং National Business Education Association. Business Education Forum. United Business Education Association, 1949.
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