Gaya APA

Arens, A, A. et al (2003). Auditing and assurance services: an integrated approach ninth ed. (Ninth ed.). New Jersey: Pearson Education.

Gaya MLA

Arens, Alvin, A.. et al. "Auditing and assurance services: an integrated approach ninth ed.". Ninth ed. New Jersey: Pearson Education, 2003. Text.