Gaya APA
Rangkuti-Hasibuan, Sofia. (1987).
English for specific purposes: law .
Jakarta:
Gramedia.
Gaya Chicago
Rangkuti-Hasibuan, Sofia.
English for specific purposes: law.
Jakarta:
Gramedia,
1987.
Text.
Gaya MLA
Rangkuti-Hasibuan, Sofia.
English for specific purposes: law.
Jakarta:
Gramedia,
1987.
Text.
Gaya Turabian
Rangkuti-Hasibuan, Sofia.
English for specific purposes: law.
Jakarta:
Gramedia,
1987.
Print.