Não informado. Studies in economics and political science. London School of Economics and Political Science.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Studies in Economics and Political Science. London: London School of Economics and Political Science.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Studies in Economics and Political Science. London School of Economics and Political Science.
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