Lange, O. (1976). On the economic theory of socialism. New Dehi: Tata McGrawth- Hill Publishing Company, Ltd.
Παραπομπή Chicago StyleLange, Oskar. On the Economic Theory of Socialism. New Dehi: Tata McGrawth- Hill Publishing Company, Ltd, 1976.
Παραπομπή MLALange, Oskar. On the Economic Theory of Socialism. New Dehi: Tata McGrawth- Hill Publishing Company, Ltd, 1976.
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