APA Style
Rangkuti, Hasibuan Sofia. (1988).
English For Specific Purposes ; Economics .
Jakarta:
Graha Ilmu.
Chicago Style
Rangkuti, Hasibuan Sofia.
English For Specific Purposes ; Economics.
Jakarta:
Graha Ilmu,
1988.
Text.
MLA Style
Rangkuti, Hasibuan Sofia.
English For Specific Purposes ; Economics.
Jakarta:
Graha Ilmu,
1988.
Text.
Turabian Style
Rangkuti, Hasibuan Sofia.
English For Specific Purposes ; Economics.
Jakarta:
Graha Ilmu,
1988.
Print.