Batra, A. K. Field Guide to Crystal Growth. SPIE Digital Library.
Chicago-čujuhus (17. p.)Batra, Ashok K. Field Guide to Crystal Growth. SPIE Digital Library.
MLA-čujuhus (9. p.)Batra, Ashok K. Field Guide to Crystal Growth. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.