Gaya APA
Zeithaml, Valarie A., Parasuraman, A., Berry Leonard L.. (1990).
Delivering quality service : balancing customer perceptions and expectations .
London:
Collier Macmillan.
Gaya Chicago
Zeithaml, Valarie A., Parasuraman, A., Berry Leonard L..
Delivering quality service : balancing customer perceptions and expectations.
London:
Collier Macmillan,
1990.
Text.
Gaya MLA
Zeithaml, Valarie A., Parasuraman, A., Berry Leonard L..
Delivering quality service : balancing customer perceptions and expectations.
London:
Collier Macmillan,
1990.
Text.
Gaya Turabian
Zeithaml, Valarie A., Parasuraman, A., Berry Leonard L..
Delivering quality service : balancing customer perceptions and expectations.
London:
Collier Macmillan,
1990.
Print.