Gaya APA
English for hotel service. (2006).
Jakarta:
Kawan Pustaka.
Gaya Chicago
English for hotel service.
.
Jakarta:
Kawan Pustaka,
2006.
Text.
Gaya MLA
English for hotel service.
.
Jakarta:
Kawan Pustaka,
2006.
Text.
Gaya Turabian
English for hotel service.
Jakarta:
Kawan Pustaka,
2006.
Print.