APA Style
Leo, Sutanto. (2007).
English for Academic Purpose: Essay Writing .
Yogyakarta:
Andi.
Chicago Style
Leo, Sutanto.
English for Academic Purpose: Essay Writing.
Yogyakarta:
Andi,
2007.
Text.
MLA Style
Leo, Sutanto.
English for Academic Purpose: Essay Writing.
Yogyakarta:
Andi,
2007.
Text.
Turabian Style
Leo, Sutanto.
English for Academic Purpose: Essay Writing.
Yogyakarta:
Andi,
2007.
Print.