APA (7e ed.) Bronvermelding
Walker, O. C. (2003). Marketing strategy: A decision-focused approach (4th ed.). McGraw-Hill/Irwin.
Chicago (17e ed.) Bronvermelding
Walker, Orville C. Marketing Strategy: A Decision-focused Approach. 4th ed. Boston: McGraw-Hill/Irwin, 2003.
MLA (9e ed.) Bronvermelding
Walker, Orville C. Marketing Strategy: A Decision-focused Approach. 4th ed. McGraw-Hill/Irwin, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.