Gaya APA

Elder, R, J. et al (2010). Auditing and Assurance Services: An Integrated Approach Ed.13 (13). United States of America: Pearson Education, Inc..

Gaya MLA

Elder, Randal, J.. et al. "Auditing and Assurance Services: An Integrated Approach Ed.13". 13 United States of America: Pearson Education, Inc., 2010. Text.