एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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