Whittington, R. (2008). Principles of auditing & other assurance services. Boston: McGraw-Hill/Irwin.
Dyfyniad Arddull ChicagoWhittington, Ray. Principles of Auditing & Other Assurance Services. Boston: McGraw-Hill/Irwin, 2008.
Dyfyniad MLAWhittington, Ray. Principles of Auditing & Other Assurance Services. Boston: McGraw-Hill/Irwin, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.