COMER JAMES M. (1991). SALES MANAGEMENT: PEOPLE AND PROFIT (WITH FLOPPY DISK). ALLYN AND BACON.
Chicago (17e ed.) BronvermeldingCOMER JAMES M. SALES MANAGEMENT: PEOPLE AND PROFIT (WITH FLOPPY DISK). BOSTON: ALLYN AND BACON, 1991.
MLA (9e ed.) BronvermeldingCOMER JAMES M. SALES MANAGEMENT: PEOPLE AND PROFIT (WITH FLOPPY DISK). ALLYN AND BACON, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.