Speer, D. C. (1972). Nonverbal communication. Sage publications.
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Citação norma Chicago
Speer, David C. Nonverbal Communication. London: Sage publications, 1972.
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Citação norma MLA
Speer, David C. Nonverbal Communication. Sage publications, 1972.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.