Wyman, C. Optical Platforms. SPIE Digital Library.
Chicago-čujuhus (17. p.)Wyman, Charles. Optical Platforms. SPIE Digital Library.
MLA-čujuhus (9. p.)Wyman, Charles. Optical Platforms. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.