Greenberg, P. (2004). CRM at the speed of light: Essential customer strategies for the 21st century (3η εκδ.). New York: McGraw-Hill/Osborne.
Chicago Style CitationGreenberg, Paul. CRM At the Speed of Light: Essential Customer Strategies for the 21st Century. 3η εκδ. New York: McGraw-Hill/Osborne, 2004.
MLA CitationGreenberg, Paul. CRM At the Speed of Light: Essential Customer Strategies for the 21st Century. 3η εκδ. New York: McGraw-Hill/Osborne, 2004.
Warning: These citations may not always be 100% accurate.