Gaya APA
Onggo, Bob Julius. (2006).
Success with e-book .
Bandung:
Progressio.
Gaya Chicago
Onggo, Bob Julius.
Success with e-book.
Bandung:
Progressio,
2006.
Text.
Gaya MLA
Onggo, Bob Julius.
Success with e-book.
Bandung:
Progressio,
2006.
Text.
Gaya Turabian
Onggo, Bob Julius.
Success with e-book.
Bandung:
Progressio,
2006.
Print.