Gaya APA

Arens, A, A. et al (2014). Auditing and Assurance Services: An Integrated Approach, 15th Ed. (Ed. 15). England: Pearson Education Limited.

Gaya MLA

Arens, Alvin, A.. et al. "Auditing and Assurance Services: An Integrated Approach, 15th Ed.". Ed. 15 England: Pearson Education Limited, 2014. Text.