Jeffery, M. (2010). Data - Driven Marketing: 15 metrics Everyone in marketing should know. John Wiley.
Trích dẫn kiểu ChicagoJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
Deismireacht MLAJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
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