Woolf, E. (1997). Auditing today (6th ed.). Prentice Hall.
Dyfyniad Arddull ChicagoWoolf, Emile. Auditing Today. 6th ed. New York: Prentice Hall, 1997.
Dyfyniad MLAWoolf, Emile. Auditing Today. 6th ed. Prentice Hall, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.