Gaya APA

Ray, W., O., Kurt, P. (2008). Principles of Auditing & other Assurance Services (Ed. ke-6). : McGraw-Hill.

Gaya MLA

Whittington, O., Ray., Pany, Kurt. "Principles of Auditing & other Assurance Services". Ed. ke-6 : McGraw-Hill, 2008. Textbook.