Nicholson, D. Optical Components: Manufacture and Evaluation. SPIE Digital Library.
Chicago-čujuhus (17. p.)Nicholson, Donald. Optical Components: Manufacture and Evaluation. SPIE Digital Library.
MLA-čujuhus (9. p.)Nicholson, Donald. Optical Components: Manufacture and Evaluation. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.