Cita APA

 Zeithaml, V. A. (2016).  Services marketing: Integrating customer focus across the firm.  McGraw-Hill Education.

Citación estilo Chicago

 Zeithaml, Valarie A.  Services Marketing: Integrating Customer Focus Across the Firm.  McGraw-Hill Education, 2016.

Cita MLA

 Zeithaml, Valarie A.  Services Marketing: Integrating Customer Focus Across the Firm.  McGraw-Hill Education, 2016.