Kress, B. Digital Optical Technologies 2017. SPIE Digital Library.
Chicago-čujuhus (17. p.)Kress, Bernard. Digital Optical Technologies 2017. SPIE Digital Library.
MLA-čujuhus (9. p.)Kress, Bernard. Digital Optical Technologies 2017. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.