APA Style
HASIBUAN, Sofia Rangkuti. (1990).
ELT English for Specific Purposes : LAW .
Jakarta:
Gramedia.
Chicago Style
HASIBUAN, Sofia Rangkuti.
ELT English for Specific Purposes : LAW.
Jakarta:
Gramedia,
1990.
Text.
MLA Style
HASIBUAN, Sofia Rangkuti.
ELT English for Specific Purposes : LAW.
Jakarta:
Gramedia,
1990.
Text.
Turabian Style
HASIBUAN, Sofia Rangkuti.
ELT English for Specific Purposes : LAW.
Jakarta:
Gramedia,
1990.
Print.