Lovelock Christopher, Wirtz john, & Chatterjee jayanta. (2010). Services Marketing: People, technology, strategy (6th.). Pearson India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Lovelock Christopher, Wirtz john, agus Chatterjee jayanta. Services Marketing: People, Technology, Strategy. 6th. India: Pearson India Pvt. Ltd, 2010.
Lua MLA (9ú heag.)Lovelock Christopher, et al. Services Marketing: People, Technology, Strategy. 6th. Pearson India Pvt. Ltd, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.