توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Greenberg, P., & Forword by Benioff, M. (2010). CRM At the Speed of Light: Social CRM Strategies, Tools and Techniques for Engaging Your Customers (4th ed.). Tata McGraw Hill Education Pvt. Ltd.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Greenberg, Paul, و Marc Forword by Benioff. CRM At the Speed of Light: Social CRM Strategies, Tools and Techniques for Engaging Your Customers. 4th ed. New Delhi: Tata McGraw Hill Education Pvt. Ltd, 2010.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Greenberg, Paul, و Marc Forword by Benioff. CRM At the Speed of Light: Social CRM Strategies, Tools and Techniques for Engaging Your Customers. 4th ed. Tata McGraw Hill Education Pvt. Ltd, 2010.