Dyfyniad APA

(2005). Auditing and assurance services. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Auditing and Assurance Services. Boston: McGraw-Hill, 2005.

Dyfyniad MLA

Auditing and Assurance Services. Boston: McGraw-Hill, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.