Cottrell, A. P. (1976). Goethe's "Faust": Seven Essays. The University of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCottrell, Alan P. Goethe's "Faust": Seven Essays. Chapel Hill: The University of North Carolina Press, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCottrell, Alan P. Goethe's "Faust": Seven Essays. The University of North Carolina Press, 1976.
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