Gaya APA

elder, R, J., arens, A, A. (2009). Auditing and assurance services : an intergrate approach . Jakarta: Salemba Empat.

Gaya MLA

elder, Randal., J., arens, Alvin., A. "Auditing and assurance services : an intergrate approach". Jakarta: Salemba Empat, 2009. Text.