Stern , D. (2009). Competencies for science librarians. Routledge.
Chicago-čujuhus (17. p.)Stern , David. Competencies for Science Librarians. London: Routledge, 2009.
MLA-čujuhus (9. p.)Stern , David. Competencies for Science Librarians. Routledge, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.