Gaya APA

Arens, A, A. et al (2014). Auditing and Assurance Services an Integrated Approach (Ke-15). America: Pearson Education.

Gaya MLA

Arens, Alvin, A.. et al. "Auditing and Assurance Services an Integrated Approach". Ke-15 America: Pearson Education, 2014. Text.