Davis, J. A. (2012). Measuring marketing: 110+key metrics every marketer needs (2nd ed.). John Wiley & Sons.
Dyfyniad Arddull ChicagoDavis, John A. Measuring Marketing: 110+key Metrics Every Marketer Needs. 2nd ed. Weinheim: John Wiley & Sons, 2012.
Dyfyniad MLADavis, John A. Measuring Marketing: 110+key Metrics Every Marketer Needs. 2nd ed. John Wiley & Sons, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.