Flygt, S. G. (1952). Friedrich Hebbel's Conception of Movement in the Absolute and in History. University of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFlygt, Sten G. Friedrich Hebbel's Conception of Movement in the Absolute and in History. Chapel Hill: University of North Carolina Press, 1952.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFlygt, Sten G. Friedrich Hebbel's Conception of Movement in the Absolute and in History. University of North Carolina Press, 1952.
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