Jeffery, M. (2010). Data - Driven Marketing: 15 metrics Everyone in marketing should know. John Wiley.
Chicago ZitierstilJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
MLA ZitierstilJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.