Lucas, S. (1989). The art of public speaking (3.vyd.). McGraw-Hill.
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Citação norma Chicago
Lucas, Stephen. The Art of Public Speaking. 3.vyd. New York: McGraw-Hill, 1989.
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Citação norma MLA
Lucas, Stephen. The Art of Public Speaking. 3.vyd. McGraw-Hill, 1989.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.