Citace podle APA (7th ed.)
ebrary, Inc, & Backhaus, J. (2002). Eugen Duhring (1833-1921) and the freedom of teaching and research. Emerald Group Publishing.
Citace podle Chicago (17th ed.)
ebrary, Inc, a Jurgen Backhaus. Eugen Duhring (1833-1921) and the Freedom of Teaching and Research. Bradford, England: Emerald Group Publishing, 2002.
Citace podle MLA (9th ed.)
ebrary, Inc, a Jurgen Backhaus. Eugen Duhring (1833-1921) and the Freedom of Teaching and Research. Emerald Group Publishing, 2002.
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