Lovelock Christopher, Wirtz john, & Chatterjee jayanta. (2010). Services Marketing: People, technology, strategy (6th.). Pearson India Pvt. Ltd.
Chicago-viite (17. p.)Lovelock Christopher, Wirtz john, ja Chatterjee jayanta. Services Marketing: People, Technology, Strategy. 6th. India: Pearson India Pvt. Ltd, 2010.
MLA-viite (9. p.)Lovelock Christopher, et al. Services Marketing: People, Technology, Strategy. 6th. Pearson India Pvt. Ltd, 2010.
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