APA Style
Rangkuti, Sofia, Hasibuan. (1992).
English For Spesific Purposes : Tourism .
Jakarta:
Dian Rakyat.
Chicago Style
Rangkuti, Sofia, Hasibuan.
English For Spesific Purposes : Tourism.
Jakarta:
Dian Rakyat,
1992.
Text.
MLA Style
Rangkuti, Sofia, Hasibuan.
English For Spesific Purposes : Tourism.
Jakarta:
Dian Rakyat,
1992.
Text.
Turabian Style
Rangkuti, Sofia, Hasibuan.
English For Spesific Purposes : Tourism.
Jakarta:
Dian Rakyat,
1992.
Print.