United Business Education Association (U.S.) & National Business Education Association. (1949). Business education forum. United Business Education Association.
Chicago (17e ed.) BronvermeldingUnited Business Education Association (U.S.) en National Business Education Association. Business Education Forum. [Washington, D.C.]: United Business Education Association, 1949.
MLA (9e ed.) BronvermeldingUnited Business Education Association (U.S.) en National Business Education Association. Business Education Forum. United Business Education Association, 1949.
Let op: Deze citaties zijn niet altijd 100% accuraat.