Willingham, J. J., & Carmichael, D. R. (1974). Auditing concepts and methods (2d ed.). McGraw-Hill.
Cita Chicago (17th ed.)Willingham, John J., i D. R. Carmichael. Auditing Concepts and Methods. 2d ed. New York: McGraw-Hill, 1974.
Cita MLA (8th ed.)Willingham, John J., i D. R. Carmichael. Auditing Concepts and Methods. 2d ed. McGraw-Hill, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.