Krügel, F. Ferdinand Raimund's Gutenstein Poems: Fred Krügel. Essays on German literature : in honour of G. Joyce Hallamore.(1968).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrügel, Fred. "Ferdinand Raimund's Gutenstein Poems: Fred Krügel." Essays on German Literature : In Honour of G. Joyce Hallamore.(1968) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रKrügel, Fred. "Ferdinand Raimund's Gutenstein Poems: Fred Krügel." Essays on German Literature : In Honour of G. Joyce Hallamore.(1968), .
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