Gaya APA
Tampubolon, R. (2005).
Risk and system based internal audit = audit intern berbasis resiko .
Jakarta:
PT. Elex Media Komputindo.
Gaya MLA
Tampubolon, Robert.
"Risk and system based internal audit = audit intern berbasis resiko".
Jakarta:
PT. Elex Media Komputindo,
2005.
Text.