ebrary, Inc, & Zielinski, D. (2013). Master presenter: Lessons from the world's top experts on becoming a more influential speaker. Wiley.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus David Zielinski. Master Presenter: Lessons from the World's Top Experts on Becoming a More Influential Speaker. San Francisco, Calif.: Wiley, 2013.
Lua MLA (9ú heag.)ebrary, Inc, agus David Zielinski. Master Presenter: Lessons from the World's Top Experts on Becoming a More Influential Speaker. Wiley, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.