Gaya APA

Arens, A, A. et al (2012). Auditing and assurance services: an integrated approach (14th ed.). United States of America: Pearson Prentice Hall.

Gaya MLA

Arens, Alvin, A.. et al. "Auditing and assurance services: an integrated approach". 14th ed. United States of America: Pearson Prentice Hall, 2012. Computer File.