Nyhart, L. K. (1995). Biology takes form: Animal morphology and the German universities, 1800 - 1900 / Lynn K. Nyhart. Univ. of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Nyhart, Lynn K. Biology Takes Form: Animal Morphology and the German Universities, 1800 - 1900 / Lynn K. Nyhart. Chicago [u.a.]: Univ. of Chicago Press, 1995.
Lua MLA (8ú heag.)Nyhart, Lynn K. Biology Takes Form: Animal Morphology and the German Universities, 1800 - 1900 / Lynn K. Nyhart. Univ. of Chicago Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.