APA Style
RANGKUTI, Sofia Hasibuan. (1988).
English For Specific Pusposes : Economics .
Jakarta:
Gramedia.
Chicago Style
RANGKUTI, Sofia Hasibuan.
English For Specific Pusposes : Economics.
Jakarta:
Gramedia,
1988.
Text.
MLA Style
RANGKUTI, Sofia Hasibuan.
English For Specific Pusposes : Economics.
Jakarta:
Gramedia,
1988.
Text.
Turabian Style
RANGKUTI, Sofia Hasibuan.
English For Specific Pusposes : Economics.
Jakarta:
Gramedia,
1988.
Print.