Gaya APA
Yoeti, Oka A.. (1990).
Tours and travel management (Cet. 2).
Jakarta:
Pradnya Paramita.
Gaya Chicago
Yoeti, Oka A..
Tours and travel management.
Cet. 2
Jakarta:
Pradnya Paramita,
1990.
Buku.
Gaya MLA
Yoeti, Oka A..
Tours and travel management.
Cet. 2
Jakarta:
Pradnya Paramita,
1990.
Buku.
Gaya Turabian
Yoeti, Oka A..
Tours and travel management.
Cet. 2
Jakarta:
Pradnya Paramita,
1990.
Buku.