APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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