Gaya APA
Onggo, B, J., Progressio, T.
(2006).
Succes with e book
(
edisi 1)
.
bandung:
Syaamil.
Gaya MLA
Onggo, Bob, Julius., Progressio, Tim.
"Succes with e book".
edisi 1
bandung:
Syaamil,
2006.
Text.