Gaya APA

Tampubolon, Robert. (2005). Risk and Systems-Based Internal Audit (Cet.1). Jakarta: PT Elex Media Komputindo.

Gaya Chicago

Tampubolon, Robert. Risk and Systems-Based Internal Audit. Cet.1 Jakarta: PT Elex Media Komputindo, 2005. Text.

Gaya MLA

Tampubolon, Robert. Risk and Systems-Based Internal Audit. Cet.1 Jakarta: PT Elex Media Komputindo, 2005. Text.

Gaya Turabian

Tampubolon, Robert. Risk and Systems-Based Internal Audit. Cet.1 Jakarta: PT Elex Media Komputindo, 2005. Print.