APA (7e ed.) Bronvermelding

Futrell, C. (1999). Fundamentals of selling: Customers for life (6thed.). Irwin, McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Futrell, Charles. Fundamentals of Selling: Customers for Life. 6thed. London: Irwin, McGraw-Hill, 1999.

MLA (9e ed.) Bronvermelding

Futrell, Charles. Fundamentals of Selling: Customers for Life. 6thed. Irwin, McGraw-Hill, 1999.

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