Silk, L. S. (1975). Contemporary economics: Principles and issues (2. ed.). MacGraw-Hill Book Co.
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Citação norma Chicago
Silk, Leonard S. Contemporary Economics: Principles and Issues. 2. ed. New York: MacGraw-Hill Book Co, 1975.
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Citação norma MLA
Silk, Leonard S. Contemporary Economics: Principles and Issues. 2. ed. MacGraw-Hill Book Co, 1975.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.