Gaya APA

Futrell, C, M. (2008). FUNDAMENTALS OF SELLING: CUSTOMERS FOR LIFE THROUGH SERVICE (10). New York: McGraw-Hill Irwin.

Gaya MLA

Futrell, Charles, M.. "FUNDAMENTALS OF SELLING: CUSTOMERS FOR LIFE THROUGH SERVICE". 10 New York: McGraw-Hill Irwin, 2008. Text.