Lua APA (7ú heag.)

DeVito, J. A. (2006). The essential elements of public speaking (2nd ed.). Pearson/Allyn and Bacon.

Lua i Stíl Chicago (17ú heag.)

DeVito, Joseph A. The Essential Elements of Public Speaking. 2nd ed. Boston: Pearson/Allyn and Bacon, 2006.

Lua MLA (9ú heag.)

DeVito, Joseph A. The Essential Elements of Public Speaking. 2nd ed. Pearson/Allyn and Bacon, 2006.

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