APA (7 वां संस्करण) प्रशस्ति पत्र

Lee Bill. (2012). Hidden Wealth of Customers: Realizing the untapped value of your most important asset. HBRP.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lee Bill. Hidden Wealth of Customers: Realizing the Untapped Value of Your Most Important Asset. USA: HBRP, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Lee Bill. Hidden Wealth of Customers: Realizing the Untapped Value of Your Most Important Asset. HBRP, 2012.