APA (7e ed.) Bronvermelding

Wingate, J. W., Nolan, C. A., & Walters, R. G. (1964). Fundamentals of selling: Meeting consumer demand (8th ed.). South-western Pub. Co.

Chicago (17e ed.) Bronvermelding

Wingate, John Williams, Carroll Anthony Nolan, en R. G. Walters. Fundamentals of Selling: Meeting Consumer Demand. 8th ed. Cincinnati: South-western Pub. Co, 1964.

MLA (8e ed.) Bronvermelding

Wingate, John Williams, et al. Fundamentals of Selling: Meeting Consumer Demand. 8th ed. South-western Pub. Co, 1964.