Citazione Stile APA (7a Edizione)

Willingham, J. J., & Carmichael, D. R. (1971). Auditing concepts and methods. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Willingham, John J., e D. R. Carmichael. Auditing Concepts and Methods. New York: McGraw-Hill, 1971.

Citatione MLA (9a ed.)

Willingham, John J., e D. R. Carmichael. Auditing Concepts and Methods. McGraw-Hill, 1971.