Gaya APA
Zeithaml, Valarie A, Bitner, Mary Jo. (2004).
Services Marketing (edisi 3).
New York:
MC GRAW HILL.
Gaya Chicago
Zeithaml, Valarie A, Bitner, Mary Jo.
Services Marketing.
edisi 3
New York:
MC GRAW HILL,
2004.
.
Gaya MLA
Zeithaml, Valarie A, Bitner, Mary Jo.
Services Marketing.
edisi 3
New York:
MC GRAW HILL,
2004.
.
Gaya Turabian
Zeithaml, Valarie A, Bitner, Mary Jo.
Services Marketing.
edisi 3
New York:
MC GRAW HILL,
2004.
.