Abel, I. Thermal Imaging. SPIE Digital Library.
Chicago-čujuhus (17. p.)Abel, Irving. Thermal Imaging. SPIE Digital Library.
MLA-čujuhus (9. p.)Abel, Irving. Thermal Imaging. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.