APA-referens (7:e uppl.)

Não informado. (1979). Studies in political economy. Social Science and Humanities Research Council of Canada.

Chicago-referens (17:e uppl.)

Não informado. Studies in Political Economy. Ottawa: Social Science and Humanities Research Council of Canada, 1979.

MLA-referens (8:e uppl.)

Não informado. Studies in Political Economy. Social Science and Humanities Research Council of Canada, 1979.

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