APA

Carmichael D. R., Willingham J. J., . (1987). Auditing concepts and methods. New York: McGraw-Hill Book Company.

Chicago

Carmichael D R, Willingham John J, . 1987. Auditing concepts and methods. New York: McGraw-Hill Book Company.

Harvard

Carmichael D. R., Willingham J. J., . (1987). Auditing concepts and methods. New York: McGraw-Hill Book Company.

MLA

Carmichael D R, Willingham John J, . Auditing concepts and methods. New York: McGraw-Hill Book Company. 1987.