Gaya APA
Kusuma, Widjaja. (2006).
Prosedur penelitian: Suatu pendekatan praktek .
Jakarta:
Rineka Cipta.
Gaya Chicago
Kusuma, Widjaja.
Prosedur penelitian: Suatu pendekatan praktek.
Jakarta:
Rineka Cipta,
2006.
Printed Book.
Gaya MLA
Kusuma, Widjaja.
Prosedur penelitian: Suatu pendekatan praktek.
Jakarta:
Rineka Cipta,
2006.
Printed Book.
Gaya Turabian
Kusuma, Widjaja.
Prosedur penelitian: Suatu pendekatan praktek.
Jakarta:
Rineka Cipta,
2006.
Printed Book.