Gaya APA

Arens, A, A. et al (2008). Auditing and Assurance Services: An Integrated Approach 12th Ed (12th Ed). New York: Prentice Hall.

Gaya MLA

Arens, Alvin, A.. et al. "Auditing and Assurance Services: An Integrated Approach 12th Ed". 12th Ed New York: Prentice Hall, 2008. Text.