Citazione Stile APA (7a Edizione)

Green, J. A. (2003). Call centers: Technology & techniques. Thomson South-Western.

Citazione stile Chigago Style (17a edizione)

Green, Jack A. Call Centers: Technology & Techniques. [Mason, OH]: Thomson South-Western, 2003.

Citatione MLA (9a ed.)

Green, Jack A. Call Centers: Technology & Techniques. Thomson South-Western, 2003.