Gaya APA
Rangkuti-Hasibuan, Sofia. (1993).
English for specific purposes: tourism hotel a major in the academy of tourism .
:
Dian Rakyat.
Gaya Chicago
Rangkuti-Hasibuan, Sofia.
English for specific purposes: tourism hotel a major in the academy of tourism.
:
Dian Rakyat,
1993.
Text.
Gaya MLA
Rangkuti-Hasibuan, Sofia.
English for specific purposes: tourism hotel a major in the academy of tourism.
:
Dian Rakyat,
1993.
Text.
Gaya Turabian
Rangkuti-Hasibuan, Sofia.
English for specific purposes: tourism hotel a major in the academy of tourism.
:
Dian Rakyat,
1993.
Print.