WRENN, B. (1983). Instructor's Manual With Cases Principles Of Marketing Bruce Wrenn And Richard M. Clevett. Prentice HallInc.
Chicago (17e ed.) BronvermeldingWRENN, Bruce. Instructor's Manual With Cases Principles Of Marketing Bruce Wrenn And Richard M. Clevett. Prentice HallInc, 1983.
MLA (8e ed.) BronvermeldingWRENN, Bruce. Instructor's Manual With Cases Principles Of Marketing Bruce Wrenn And Richard M. Clevett. Prentice HallInc, 1983.
Let op: Deze citaties zijn niet altijd 100% accuraat.