Lovelock, C. H., & Wirtz, J. (2018). Services marketing: People, technology, strategy (Eighth edition.). Pearson India Education Services.
Lua i Stíl Chicago (17ú heag.)Lovelock, Christopher H., agus Jochen Wirtz. Services Marketing: People, Technology, Strategy. Eighth edition. India: Pearson India Education Services, 2018.
Lua MLA (8ú heag.)Lovelock, Christopher H., agus Jochen Wirtz. Services Marketing: People, Technology, Strategy. Eighth edition. Pearson India Education Services, 2018.
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