Helpman, E. (2011). Understanding global trade. Belknap Press of Harvard University Press.
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Citação norma Chicago
Helpman, Elhanan. Understanding Global Trade. Cambridge, Mass.: Belknap Press of Harvard University Press, 2011.
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Citação norma MLA
Helpman, Elhanan. Understanding Global Trade. Belknap Press of Harvard University Press, 2011.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.