Futrell, C. M. (1996). ABC's of relationship selling. M.C. Graw Hill.
Chicago Style aipamenaFutrell, Charles M. ABC's of Relationship Selling. Boston: M.C. Graw Hill, 1996.
MLA aipamenaFutrell, Charles M. ABC's of Relationship Selling. M.C. Graw Hill, 1996.
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