Gaya APA
Tampubolon, R. (2005).
Risk and Systems-Based Internal Auditing = Audit Internal Berbasis Risiko .
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
Tampubolon, Robert.
"Risk and Systems-Based Internal Auditing = Audit Internal Berbasis Risiko".
Jakarta:
PT Elex Media Komputindo,
2005.
Teks.