(1981). <The> Bell Journal of Economics. American Telephone and Telegrapf Co.
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Citação norma Chicago
<The> Bell Journal of Economics. New York: American Telephone and Telegrapf Co, 1981.
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Citação norma MLA
<The> Bell Journal of Economics. American Telephone and Telegrapf Co, 1981.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.