Lee Bill. (2012). Hidden Wealth of Customers: Realizing the untapped value of your most important asset. HBRP.
Chicago (17e ed.) BronvermeldingLee Bill. Hidden Wealth of Customers: Realizing the Untapped Value of Your Most Important Asset. USA: HBRP, 2012.
MLA (9e ed.) BronvermeldingLee Bill. Hidden Wealth of Customers: Realizing the Untapped Value of Your Most Important Asset. HBRP, 2012.
Let op: Deze citaties zijn niet altijd 100% accuraat.