APA Style

Purwanto, P, J. (2006). Kupas Tuntas Harddisk (Maintenance dan Troubleshooting) . Yogyakarta: Penerbit Gava Media.

MLA Style

Purwanto, Paulus, Joko. "Kupas Tuntas Harddisk (Maintenance dan Troubleshooting)". Yogyakarta: Penerbit Gava Media, 2006. Text.