Παραπομπή APA

Futrell, C. M. (2007). ABC's of relationship selling through service. New York: McGraw-Hill.

Παραπομπή Chicago Style

Futrell, Charles M. ABC's of Relationship Selling Through Service. New York: McGraw-Hill, 2007.

Παραπομπή MLA

Futrell, Charles M. ABC's of Relationship Selling Through Service. New York: McGraw-Hill, 2007.

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