Katre J S. Digital electronics. Tech Knowledge.
Chicago-čujuhus (17. p.)Katre J S. Digital Electronics. Pune: Tech Knowledge.
MLA-čujuhus (9. p.)Katre J S. Digital Electronics. Tech Knowledge.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.