Futrell, C. M. (2003). ABC's of relationship selling (7th ed.). McGraw-Hill/Irwin.
Chicago Style aipamenaFutrell, Charles M. ABC's of Relationship Selling. 7th ed. New York, New York: McGraw-Hill/Irwin, 2003.
MLA aipamenaFutrell, Charles M. ABC's of Relationship Selling. 7th ed. McGraw-Hill/Irwin, 2003.
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