Yellowhair, J. E. Field Guide to Solar Optics. SPIE Digital Library.
Chicago-čujuhus (17. p.)Yellowhair, Julius E. Field Guide to Solar Optics. SPIE Digital Library.
MLA-čujuhus (9. p.)Yellowhair, Julius E. Field Guide to Solar Optics. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.