Kurtz, D. L., & Clow, E. K. (1998). Services marketing. John Wiley & Sons.
Chicago Style aipamenaKurtz, David L., and E. Kenneth Clow. Services Marketing. New York: John Wiley & Sons, 1998.
MLA aipamenaKurtz, David L., and E. Kenneth Clow. Services Marketing. John Wiley & Sons, 1998.
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