HARTADI, B. (1991). Internal auditing. Andi Offset.
Chicago Style aipamenaHARTADI, Bambang. Internal Auditing. Yogyakarta: Andi Offset, 1991.
MLA aipamenaHARTADI, Bambang. Internal Auditing. Andi Offset, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.