Ehrenborg,Jons, & Mattock,John. (1997). Powerful presentation skills: Simple ideas for making a real impact (2nd edition[South Asian edition 2000].). Career Press; Kogan Page.
Lua i Stíl Chicago (17ú heag.)Ehrenborg,Jons, agus Mattock,John. Powerful Presentation Skills: Simple Ideas for Making a Real Impact. 2nd edition[South Asian edition 2000]. Hawthorne, NJ ; New Delhi: Career Press; Kogan Page, 1997.
Lua MLA (8ú heag.)Ehrenborg,Jons, agus Mattock,John. Powerful Presentation Skills: Simple Ideas for Making a Real Impact. 2nd edition[South Asian edition 2000]. Career Press; Kogan Page, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.