APA Style
Silotonga, Sukartini Joyohadikusumo. (1971).
English for students of economics .
Jakarta:
s.n..
Chicago Style
Silotonga, Sukartini Joyohadikusumo.
English for students of economics.
Jakarta:
s.n.,
1971.
Text.
MLA Style
Silotonga, Sukartini Joyohadikusumo.
English for students of economics.
Jakarta:
s.n.,
1971.
Text.
Turabian Style
Silotonga, Sukartini Joyohadikusumo.
English for students of economics.
Jakarta:
s.n.,
1971.
Print.