APA (7e ed.) Bronvermelding

BAER EARL E. (1981). MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR.

Chicago (17e ed.) Bronvermelding

BAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. CALIFORNIA: GOODYEAR, 1981.

MLA (9e ed.) Bronvermelding

BAER EARL E. MARKETING SYSTEM PROCESS CASES AND PROBLEMS. GOODYEAR, 1981.

Let op: Deze citaties zijn niet altijd 100% accuraat.