Jeffery, M. (2010). Data - Driven Marketing: 15 metrics Everyone in marketing should know. John Wiley.
استشهاد بنمط شيكاغوJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
MLA استشهادJeffery, Mark. Data - Driven Marketing: 15 Metrics Everyone in Marketing Should Know. John Wiley, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.