Gaya APA

Zeithaml, Valarie A., Bitner, Mary Jo, Gremler, Dwayne D.. (2006). Services Marketing : integrating customer focus across the firm, 4th ed. (4th ed.). Boston: Irwin.

Gaya Chicago

Zeithaml, Valarie A., Bitner, Mary Jo, Gremler, Dwayne D.. Services Marketing : integrating customer focus across the firm, 4th ed.. 4th ed. Boston: Irwin, 2006. Text.

Gaya MLA

Zeithaml, Valarie A., Bitner, Mary Jo, Gremler, Dwayne D.. Services Marketing : integrating customer focus across the firm, 4th ed.. 4th ed. Boston: Irwin, 2006. Text.

Gaya Turabian

Zeithaml, Valarie A., Bitner, Mary Jo, Gremler, Dwayne D.. Services Marketing : integrating customer focus across the firm, 4th ed.. 4th ed. Boston: Irwin, 2006. Print.