Παραπομπή APA

Wirtz, J., & Chew, P. (2012). Essentials of services marketing. Singapore; New York: Pearson Education South Asia Pte Ltd.

Παραπομπή Chicago Style

Wirtz, Jochen, και Patricia Chew. Essentials of Services Marketing. Singapore; New York: Pearson Education South Asia Pte Ltd, 2012.

Παραπομπή MLA

Wirtz, Jochen, και Patricia Chew. Essentials of Services Marketing. Singapore; New York: Pearson Education South Asia Pte Ltd, 2012.

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