Wiles, P. (1971). Prediction of communist economic performance. University press cambridge.
शिकागो स्टाइल उद्धरणWiles, P.J.D. Prediction of Communist Economic Performance. University press cambridge, 1971.
एमएलए उद्धरणWiles, P.J.D. Prediction of Communist Economic Performance. University press cambridge, 1971.
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