Gaya APA

Sawyer, L, B. et al (2005). Internal Auditing:Audit internal Sawyer jil 3 ed.5 (5). Jakarta: Salemba Empat.

Gaya MLA

Sawyer, Lawrence, B. et al. "Internal Auditing:Audit internal Sawyer jil 3 ed.5". 5 Jakarta: Salemba Empat, 2005. Text.