Lucas, S. E. (2004). The Art of Public Speaking: Student CD-ROM Version 4.0. The McGraw-Hill Companies.
Lua i Stíl Chicago (17ú heag.)Lucas, Stephen E. The Art of Public Speaking: Student CD-ROM Version 4.0. The McGraw-Hill Companies, 2004.
Lua MLA (8ú heag.)Lucas, Stephen E. The Art of Public Speaking: Student CD-ROM Version 4.0. The McGraw-Hill Companies, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.