Osborn, M. (1988). Public speaking. Houghton Mifflin Co..
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Citação norma Chicago
Osborn, Michael. Public Speaking. Boston: Houghton Mifflin Co., 1988.
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Citação norma MLA
Osborn, Michael. Public Speaking. Houghton Mifflin Co., 1988.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.