Olsen, M. D., Teare, R., & Gummesson, E. (1996). Service quality in hospitality organizations. Cassell.
Chicago Style (17. basım) AtıfOlsen, Michael D., Richard Teare, ve Evert Gummesson. Service Quality in Hospitality Organizations. London: Cassell, 1996.
MLA (9th ed.) AtıfOlsen, Michael D., et al. Service Quality in Hospitality Organizations. Cassell, 1996.
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