Gaya APA
Qualitan Teaching. (2007).
Bogor:
Qualitama Tunas Mandiri.
Gaya Chicago
Qualitan Teaching.
Cet.1.
Bogor:
Qualitama Tunas Mandiri,
2007.
Non Fiksi.
Gaya MLA
Qualitan Teaching.
Cet.1.
Bogor:
Qualitama Tunas Mandiri,
2007.
Non Fiksi.
Gaya Turabian
Qualitan Teaching.
Bogor:
Qualitama Tunas Mandiri,
2007.
Non Fiksi.