Heller, W. W. (1966). New dimensions of political economy. Harvard University Press.
Čikaški stil citiranja (17. izdanje)Heller, Walter W. New Dimensions of Political Economy. Cambridge: Harvard University Press, 1966.
MLA način citiranja (9. izdanje)Heller, Walter W. New Dimensions of Political Economy. Harvard University Press, 1966.
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