Citazione Stile APA (7a Edizione)

ZEITHAML VALARIE A. (2003). SERVICES MARKETING (3RD.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Citazione stile Chigago Style (17a edizione)

ZEITHAML VALARIE A. SERVICES MARKETING. 3RD. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.

Citatione MLA (9a ed.)

ZEITHAML VALARIE A. SERVICES MARKETING. 3RD. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.