Gaya APA
YOETI, Oka A.. (2001).
Tours & Travel management .
Jakarta:
Pradnya Paramita.
Gaya Chicago
YOETI, Oka A..
Tours & Travel management.
Jakarta:
Pradnya Paramita,
2001.
Text.
Gaya MLA
YOETI, Oka A..
Tours & Travel management.
Jakarta:
Pradnya Paramita,
2001.
Text.
Gaya Turabian
YOETI, Oka A..
Tours & Travel management.
Jakarta:
Pradnya Paramita,
2001.
Print.