(1964). On political economy and econometrics essays in honour of oskar lange. polish scientific puplishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOn Political Economy and Econometrics Essays in Honour of Oskar Lange. warszawa: polish scientific puplishers, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOn Political Economy and Econometrics Essays in Honour of Oskar Lange. polish scientific puplishers, 1964.
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