APA-čujuhus (7. p.)
ebrary, Inc, & Backhaus, J. (2002). Eugen Duhring (1833-1921) and the freedom of teaching and research. Emerald Group Publishing.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Jurgen Backhaus. Eugen Duhring (1833-1921) and the Freedom of Teaching and Research. Bradford, England: Emerald Group Publishing, 2002.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Jurgen Backhaus. Eugen Duhring (1833-1921) and the Freedom of Teaching and Research. Emerald Group Publishing, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.