Dyfyniad APA

Delong, T. (2003). Professional services: Texts and cases. Boston, MA: McGraw-Hill/Irvin.

Dyfyniad Arddull Chicago

Delong, Thomas. Professional Services: Texts and Cases. Boston, MA: McGraw-Hill/Irvin, 2003.

Dyfyniad MLA

Delong, Thomas. Professional Services: Texts and Cases. Boston, MA: McGraw-Hill/Irvin, 2003.

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