Halecki, O. (1962). The limits and divisions of European history. University of Notre Dame Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHalecki, Oskar. The Limits and Divisions of European History. [Notre Dame, Ind.]: University of Notre Dame Press, 1962.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHalecki, Oskar. The Limits and Divisions of European History. University of Notre Dame Press, 1962.
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