Farris, P. W., & Pfeifer, P. P. (2006). Marketing Metrics: 50+ Metrics Every Executive Should Master. Person Power.
Chicago (17e ed.) BronvermeldingFarris, Paul W., en Phillip Pfeifer Pfeifer. Marketing Metrics: 50+ Metrics Every Executive Should Master. New Delhi: Person Power, 2006.
MLA (9e ed.) BronvermeldingFarris, Paul W., en Phillip Pfeifer Pfeifer. Marketing Metrics: 50+ Metrics Every Executive Should Master. Person Power, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.