Wirtz, J. (2018). Essentials of services marketing. Harlow, England: Pearson.
シカゴスタイル引用形Wirtz, Jochen. Essentials of Services Marketing. Harlow, England: Pearson, 2018.
MLA引用形式Wirtz, Jochen. Essentials of Services Marketing. Harlow, England: Pearson, 2018.
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