Gaya APA

Zeithaml, Valarie A., Parasuraman, A., Berry, Leonard L.. (1990). Delivering Quality Service: Balancing Customer Perceptions And Expectations . New York: The Free Press.

Gaya Chicago

Zeithaml, Valarie A., Parasuraman, A., Berry, Leonard L.. Delivering Quality Service: Balancing Customer Perceptions And Expectations. New York: The Free Press, 1990. Text.

Gaya MLA

Zeithaml, Valarie A., Parasuraman, A., Berry, Leonard L.. Delivering Quality Service: Balancing Customer Perceptions And Expectations. New York: The Free Press, 1990. Text.

Gaya Turabian

Zeithaml, Valarie A., Parasuraman, A., Berry, Leonard L.. Delivering Quality Service: Balancing Customer Perceptions And Expectations. New York: The Free Press, 1990. Print.