Citazione Stile APA (7a Edizione)

Greenberg, P. (2004). CRM at the Speed of Light (3rd.). Tata Mcgraw Hill pub. co.

Citazione stile Chigago Style (17a edizione)

Greenberg, Paul. CRM at the Speed of Light. 3rd. New Dehli: Tata Mcgraw Hill pub. co, 2004.

Citatione MLA (9a ed.)

Greenberg, Paul. CRM at the Speed of Light. 3rd. Tata Mcgraw Hill pub. co, 2004.