Frost, A. A. (1989). Ernst Dronke: His life and his works. Lang.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrost, Alphonso A. Ernst Dronke: His Life and His Works. New York [u.a.]: Lang, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFrost, Alphonso A. Ernst Dronke: His Life and His Works. Lang, 1989.
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