Leedy, P. D. (1980). Practical research: Planning and Desgn (2nd ed.). Macmillan.
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Citação norma Chicago
Leedy, Paul D. Practical Research: Planning and Desgn. 2nd ed. New York: Macmillan, 1980.
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Citação norma MLA
Leedy, Paul D. Practical Research: Planning and Desgn. 2nd ed. Macmillan, 1980.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.