Futrell, C. M. (2002). Fundamentals of selling: Customers for life. I win/McGraw-Hill.
Cita Chicago (17th ed.)Futrell, Charles M. Fundamentals of Selling: Customers for Life. Boston: I win/McGraw-Hill, 2002.
Cita MLA (9th ed.)Futrell, Charles M. Fundamentals of Selling: Customers for Life. I win/McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.