Valasek, T., & McKinley, B. (1997). The confident speaker's handbook: A practical, hands-on approach to public speaking. Kendall/Hunt.
Lua i Stíl Chicago (17ú heag.)Valasek, Thomas, agus Bud McKinley. The Confident Speaker's Handbook: A Practical, Hands-on Approach to Public Speaking. Iowa: Kendall/Hunt, 1997.
Lua MLA (9ú heag.)Valasek, Thomas, agus Bud McKinley. The Confident Speaker's Handbook: A Practical, Hands-on Approach to Public Speaking. Kendall/Hunt, 1997.
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