Farris, P. W., & Pfeifer, P. P. (2006). Marketing Metrics: 50+ Metrics Every Executive Should Master. Person Power.
Cita Chicago (17th ed.)Farris, Paul W., i Phillip Pfeifer Pfeifer. Marketing Metrics: 50+ Metrics Every Executive Should Master. New Delhi: Person Power, 2006.
Cita MLA (9th ed.)Farris, Paul W., i Phillip Pfeifer Pfeifer. Marketing Metrics: 50+ Metrics Every Executive Should Master. Person Power, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.