Futrell, C. M. (2002). Fundamentals of selling: Customers for life. I win/McGraw-Hill.
Chicago-čujuhus (17. p.)Futrell, Charles M. Fundamentals of Selling: Customers for Life. Boston: I win/McGraw-Hill, 2002.
MLA-čujuhus (9. p.)Futrell, Charles M. Fundamentals of Selling: Customers for Life. I win/McGraw-Hill, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.