APA (7e ed.) Bronvermelding

BOYD H P. (1990). MARKETING RESEARCH: TEXT AND CASES (7TH.). IRWIN MCGRAW-HILL.

Chicago (17e ed.) Bronvermelding

BOYD H P. MARKETING RESEARCH: TEXT AND CASES. 7TH. HOMEWOOD: IRWIN MCGRAW-HILL, 1990.

MLA (9e ed.) Bronvermelding

BOYD H P. MARKETING RESEARCH: TEXT AND CASES. 7TH. IRWIN MCGRAW-HILL, 1990.