Gaya APA

Tampubolon, R. (). RISK and SYSTEMS- BASED INTERNAL AUDIT (Cet ke - 2 Desember 2006). Jakarta: PT Elex Media Komputindo.

Gaya MLA

Tampubolon, Robert. "RISK and SYSTEMS- BASED INTERNAL AUDIT". Cet ke - 2 Desember 2006 Jakarta: PT Elex Media Komputindo, . Text.