Corporations, U. N. C. O. T. (1988). Data goods and data services in the socialist countries of Eastern Europe. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCorporations, United Nations. Centre On Transnational. Data Goods and Data Services in the Socialist Countries of Eastern Europe. The author, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCorporations, United Nations. Centre On Transnational. Data Goods and Data Services in the Socialist Countries of Eastern Europe. The author, 1988.
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