APA Style
HASIBUAN, SOFIA. (1986).
English for specific purposes economics (1).
Jakarta:
GRAMEDIA.
Chicago Style
HASIBUAN, SOFIA.
English for specific purposes economics.
1
Jakarta:
GRAMEDIA,
1986.
TXB.
MLA Style
HASIBUAN, SOFIA.
English for specific purposes economics.
1
Jakarta:
GRAMEDIA,
1986.
TXB.
Turabian Style
HASIBUAN, SOFIA.
English for specific purposes economics.
1
Jakarta:
GRAMEDIA,
1986.
TXB.