Gaya APA
Yogyakarta. (2007).
Yogyakarta:
Karisma Publishing Group.
Gaya Chicago
Yogyakarta.
.
Yogyakarta:
Karisma Publishing Group,
2007.
Non Fiksi.
Gaya MLA
Yogyakarta.
.
Yogyakarta:
Karisma Publishing Group,
2007.
Non Fiksi.
Gaya Turabian
Yogyakarta.
Yogyakarta:
Karisma Publishing Group,
2007.
Non Fiksi.