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