Lovelock, C., Wirtz, J., & Chatterjee, J. (2007). Services marketing (5th ed.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)Lovelock, Christopher, Jochen Wirtz, agus Jayanta Chatterjee. Services Marketing. 5th ed. New Delhi: Pearson Education, 2007.
Lua MLA (9ú heag.)Lovelock, Christopher, et al. Services Marketing. 5th ed. Pearson Education, 2007.
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