Melter, R. Vision Geometry V. SPIE Digital Library.
Chicago-čujuhus (17. p.)Melter, Robert. Vision Geometry V. SPIE Digital Library.
MLA-čujuhus (9. p.)Melter, Robert. Vision Geometry V. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.