Coenen, F. E. (1951). Franz Grillparzer's Portraiture of Men. The University of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoenen, Frederic E. Franz Grillparzer's Portraiture of Men. Chapel Hill: The University of North Carolina Press, 1951.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCoenen, Frederic E. Franz Grillparzer's Portraiture of Men. The University of North Carolina Press, 1951.
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