Gaya APA

Carmichael, , D, , , R., Willingham, J, , J. (1989). Auditing concepts and methods : a guide to current auditing theory and practice . Singapore: McGraw-Hill Book Co.

Gaya MLA

Carmichael, , D, , , R., Willingham, John, , J. "Auditing concepts and methods : a guide to current auditing theory and practice". Singapore: McGraw-Hill Book Co, 1989. Text.