Jeffery, M. (2010). Data - Driven Marketing: 15 metrics Everyone in marketing should know. John Wiley.
Dyfyniad Arddull ChicagoJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
Dyfyniad MLAJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.