Wirtz, J., & Chew, P. (2012). Essentials of services marketing. Singapore; New York: Pearson Education South Asia Pte Ltd.
Chicago-tyylinen lähdeviittausWirtz, Jochen, ja Patricia Chew. Essentials of Services Marketing. Singapore; New York: Pearson Education South Asia Pte Ltd, 2012.
MLA-viiteWirtz, Jochen, ja Patricia Chew. Essentials of Services Marketing. Singapore; New York: Pearson Education South Asia Pte Ltd, 2012.
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