Ulich, R. (1954). Three thousand years of educational wisdom: Selections from great documents. Harvard University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUlich, Robert. Three Thousand Years of Educational Wisdom: Selections from Great Documents. London: Harvard University, 1954.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUlich, Robert. Three Thousand Years of Educational Wisdom: Selections from Great Documents. Harvard University, 1954.
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