APA (7e ed.) Bronvermelding

DUNCAN D J. (1959). RETAILING: PRINCIPLES AND METHODS. IRWIN MCGRAW-HILL.

Chicago (17e ed.) Bronvermelding

DUNCAN D J. RETAILING: PRINCIPLES AND METHODS. HOMEWOOD: IRWIN MCGRAW-HILL, 1959.

MLA (9e ed.) Bronvermelding

DUNCAN D J. RETAILING: PRINCIPLES AND METHODS. IRWIN MCGRAW-HILL, 1959.