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1Palgrave Macmillan 2006 [i.e. 2005]Livre
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2Oxford University Press 2012, cop. 2012Livre
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3Oxford University Press impr. 2009, cop. 2009Livre
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4Oxford University Press impr. 2013, cop. 2013Livre
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5Oxford university press 2013, cop. 2013Livre