De Grolier , E. (1979). The Organization of Information Systems for Government and Public Administration. Unesco.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Grolier , Eric. The Organization of Information Systems for Government and Public Administration. France: Unesco, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDe Grolier , Eric. The Organization of Information Systems for Government and Public Administration. Unesco, 1979.
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