Cita APA (7a ed.)

Zeithaml, V. A., Gremler, D. D., & Wilson, A. (2012). Services Marketing: Integrating Customer focus Across the Firm (2nd european edition.). McGraw-Hil.

Cita Chicago Style (17a ed.)

Zeithaml, Valarie A., Dwayne D. Gremler, y Alan Wilson. Services Marketing: Integrating Customer Focus Across the Firm. 2nd european edition. Madrid [etc.]: McGraw-Hil, 2012.

Cita MLA (9a ed.)

Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 2nd european edition. McGraw-Hil, 2012.