Gaya APA
Leo, Sutanto. (2007).
ENGLISH FOR ACADEMIC PURPOSE : ESSAY WRITING (Pertama).
Yogyakarta:
CV Andi Offset.
Gaya Chicago
Leo, Sutanto.
ENGLISH FOR ACADEMIC PURPOSE : ESSAY WRITING.
Pertama
Yogyakarta:
CV Andi Offset,
2007.
Text.
Gaya MLA
Leo, Sutanto.
ENGLISH FOR ACADEMIC PURPOSE : ESSAY WRITING.
Pertama
Yogyakarta:
CV Andi Offset,
2007.
Text.
Gaya Turabian
Leo, Sutanto.
ENGLISH FOR ACADEMIC PURPOSE : ESSAY WRITING.
Pertama
Yogyakarta:
CV Andi Offset,
2007.
Print.