Gaya APA

Ray, W, O., Kurt, P. (2014). Principles Of Auditing & Other Assurance Services (Ed. 4). America: McGraw-Hill.

Gaya MLA

Ray, Whittington, O.., Kurt, Pany. "Principles Of Auditing & Other Assurance Services". Ed. 4 America: McGraw-Hill, 2014. Text.