Penggayaan APA
S. (1990).
English for hotels and restourants .
Jakarta:
Gramedia.
Chicago Style
S.
English for hotels and restourants.
Jakarta:
Gramedia,
1990.
Text.
MLA Style
S.
English for hotels and restourants.
Jakarta:
Gramedia,
1990.
Text.
Turabian Style
S.
English for hotels and restourants.
Jakarta:
Gramedia,
1990.
Print.