Magnus, R. (1949). Goethe as a scientist. H. Schuman.
Chicago Style aipamenaMagnus, Rudolf. Goethe as a Scientist. New York: H. Schuman, 1949.
MLA aipamenaMagnus, Rudolf. Goethe as a Scientist. H. Schuman, 1949.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.