Wójcik, J. Lightguides and their Applications. SPIE Digital Library.
Chicago-čujuhus (17. p.)Wójcik, Jan. Lightguides and Their Applications. SPIE Digital Library.
MLA-čujuhus (9. p.)Wójcik, Jan. Lightguides and Their Applications. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.