Walker, O. C. (1995). Marketing strategy: Planning and implementation. Chicago: Irwin.
Chicago Style citaatWalker, Orville C. Marketing Strategy: Planning and Implementation. Chicago: Irwin, 1995.
MLA citatieWalker, Orville C. Marketing Strategy: Planning and Implementation. Chicago: Irwin, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.