Gaya APA

Carmichael, D., J., I, W, J. (1987). Auditing concepts and methods a guide to current auditing theory and ì practice . New York: .

Gaya MLA

Carmichael, D.R.., J., I., Willingham,, John. "Auditing concepts and methods a guide to current auditing theory and ì practice". New York: , 1987. Text.