Zeithaml, V. A. B. (2013). Services Marketing (7th ed.). Pearson Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZeithaml, Valarie A; Bitner. Services Marketing. 7th ed. New Delhi: Pearson Education, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZeithaml, Valarie A; Bitner. Services Marketing. 7th ed. Pearson Education, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.