Não informado. (1979). Studies in political economy. Social Science and Humanities Research Council of Canada.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Studies in Political Economy. Ottawa: Social Science and Humanities Research Council of Canada, 1979.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Studies in Political Economy. Social Science and Humanities Research Council of Canada, 1979.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.