Greenberg, P. (2010). CRM (Customer Relationship Management) at the Speed of Light (4th.). Tata McGraw Hill Education Private Limited.
Chicago Style (17th ed.) CitationGreenberg, Paul. CRM (Customer Relationship Management) at the Speed of Light. 4th. New Delhi: Tata McGraw Hill Education Private Limited, 2010.
ציטוט MLAGreenberg, Paul. CRM (Customer Relationship Management) at the Speed of Light. 4th. Tata McGraw Hill Education Private Limited, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.