APA Style
Kurniawan, Freddy. (2005).
Sistem Digital .
Yogyakarta:
Gava Media.
Chicago Style
Kurniawan, Freddy.
Sistem Digital.
Yogyakarta:
Gava Media,
2005.
Text.
MLA Style
Kurniawan, Freddy.
Sistem Digital.
Yogyakarta:
Gava Media,
2005.
Text.
Turabian Style
Kurniawan, Freddy.
Sistem Digital.
Yogyakarta:
Gava Media,
2005.
Print.