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Gaya APA
Rahardjo, B.(2002).Keamanan Sistem Informasi Berbasis Internet .Indonesia:PT Insan Infonesia - Bandung & PT INDOCISC.
Gaya MLA
Rahardjo, Budi."Keamanan Sistem Informasi Berbasis Internet".Indonesia:PT Insan Infonesia - Bandung & PT INDOCISC,2002.Text.