Futrell, C. M. (2014). Fundamentals of Selling customers for life through service. McGraw Hill.
Chicago Style (17. basım) AtıfFutrell, Charles M. Fundamentals of Selling Customers for Life Through Service. McGraw Hill, 2014.
MLA (8th ed.) AtıfFutrell, Charles M. Fundamentals of Selling Customers for Life Through Service. McGraw Hill, 2014.
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