Gaya APA
Ziethaml, Valarie A., A. Parasuraman, Leonard L. Berry. (1990).
Delivering quality service: Balancing customer perception and expectations .
New York:
The Free Press.
Gaya Chicago
Ziethaml, Valarie A., A. Parasuraman, Leonard L. Berry.
Delivering quality service: Balancing customer perception and expectations.
New York:
The Free Press,
1990.
Buku.
Gaya MLA
Ziethaml, Valarie A., A. Parasuraman, Leonard L. Berry.
Delivering quality service: Balancing customer perception and expectations.
New York:
The Free Press,
1990.
Buku.
Gaya Turabian
Ziethaml, Valarie A., A. Parasuraman, Leonard L. Berry.
Delivering quality service: Balancing customer perception and expectations.
New York:
The Free Press,
1990.
Buku.