Spooner, H. J., & Swanson, R. W. (1990). Effective Presentations: How you can get your message to your audience.
Čikaški stil citiranjaSpooner, H. James, i Richard W. Swanson. Effective Presentations: How You Can Get Your Message to Your Audience. 1990.
MLA način citiranjaSpooner, H. James, i Richard W. Swanson. Effective Presentations: How You Can Get Your Message to Your Audience. 1990.
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