APA način citiranja

Harris, L., & Harris, J. C. How to Become a Powerful and Persuasive Public Speaker.

Čikaški stil citiranja

Harris, Luke, i Julia C. Harris. How to Become a Powerful and Persuasive Public Speaker.

MLA način citiranja

Harris, Luke, i Julia C. Harris. How to Become a Powerful and Persuasive Public Speaker.

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