Greenberg, P. (2001). CRM at the speed of light: Capturing and keeping customers in internet real time. TMH.
Цитирование в стиле Чикаго (17-е изд.)Greenberg, Paul. CRM at the Speed of Light: Capturing and Keeping Customers in Internet Real Time. New delhi: TMH, 2001.
Цитирование MLA (9-е изд.)Greenberg, Paul. CRM at the Speed of Light: Capturing and Keeping Customers in Internet Real Time. TMH, 2001.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.