KENNEDY, P. (1993). Preparing for the twenty-first century. Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKENNEDY, Paul. Preparing for the Twenty-first Century. New York: Random House, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKENNEDY, Paul. Preparing for the Twenty-first Century. Random House, 1993.
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