Zeithaml, V. A. Services Marketing (2022.). McGraw Hill Education (India) Private Limited.
Citazione stile Chigago Style (17a edizione)Zeithaml, Valarie A. Services Marketing. 2022. McGraw Hill Education (India) Private Limited.
Citatione MLA (9a ed.)Zeithaml, Valarie A. Services Marketing. 2022. McGraw Hill Education (India) Private Limited.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.