Gaya APA
MILL, R, C.
(2000).
TOURISM : THE INTERNATIONAL BUSINESS
.
JAKARTA:
RAJAGRAFINDO PERSADA.
Gaya MLA
MILL, ROBERT, CHRISTIE.
"TOURISM : THE INTERNATIONAL BUSINESS".
JAKARTA:
RAJAGRAFINDO PERSADA,
2000.
Prodi S1 Sastra Inggris.