Citazione Stile APA (7a Edizione)
Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. Services Marketing: Integrating Customer Focus Across the Firm (4a edición.). McGraw-Hill.
Citazione stile Chigago Style (17a edizione)
Zeithaml, Valarie A., Mary Jo Bitner, e Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. 4a edición. Boston, EUA: McGraw-Hill.
Citatione MLA (9a ed.)
Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 4a edición. McGraw-Hill.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.