Gaya APA
purwanto, P, J., S.Kom, T, W. (2004).
Kupas Tuntas HARDDISK ( Maintenance dan Troubleshooting ) .
Yogyakarta:
GAVA MEDIA.
Gaya MLA
purwanto, Paulus, Joko., S.Kom, Teguh, Wahyono,.
"Kupas Tuntas HARDDISK ( Maintenance dan Troubleshooting )".
Yogyakarta:
GAVA MEDIA,
2004.
Text.