Craven, R. (2002). Customer is king: How to exceed their expectations. Virgin Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCraven, Robert. Customer Is King: How to Exceed Their Expectations. London: Virgin Books, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCraven, Robert. Customer Is King: How to Exceed Their Expectations. Virgin Books, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.