Nyhart, L. K. (1995). Biology takes form: Animal morphology and the German universities, 1800 - 1900 / Lynn K. Nyhart. Univ. of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNyhart, Lynn K. Biology Takes Form: Animal Morphology and the German Universities, 1800 - 1900 / Lynn K. Nyhart. Chicago [u.a.]: Univ. of Chicago Press, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNyhart, Lynn K. Biology Takes Form: Animal Morphology and the German Universities, 1800 - 1900 / Lynn K. Nyhart. Univ. of Chicago Press, 1995.
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