Valasek, T., & McKinley, B. (1997). The confident speaker's handbook: A practical, hands-on approach to public speaking. Kendall/Hunt.
Cita Chicago (17th ed.)Valasek, Thomas, i Bud McKinley. The Confident Speaker's Handbook: A Practical, Hands-on Approach to Public Speaking. Iowa: Kendall/Hunt, 1997.
Cita MLA (9th ed.)Valasek, Thomas, i Bud McKinley. The Confident Speaker's Handbook: A Practical, Hands-on Approach to Public Speaking. Kendall/Hunt, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.