Scheuing, E. E., & Christopher, W. F. (1993). The Service quality handbook. New York: Amacom.
Chicago Stili AlıntıScheuing, Eberhard E., and William F. Christopher. The Service Quality Handbook. New York: Amacom, 1993.
MLA AlıntıScheuing, Eberhard E., and William F. Christopher. The Service Quality Handbook. New York: Amacom, 1993.
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