APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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