Gaya APA
MILL, R, C., Satrio, T, B. (2000).
Tourism the international business (Ed.1).
Jakarta:
RajaGrafindo Persada.
Gaya MLA
MILL, ROBERT, CHRISTIE., Satrio, Tri, Budhi.
"Tourism the international business".
Ed.1
Jakarta:
RajaGrafindo Persada,
2000.
Text.