Bureau of Indian Standards. (1989). BIS handbook 1989. Bureau of Indian Standards.
Chicago-čujuhus (17. p.)Bureau of Indian Standards. BIS Handbook 1989. New Delhi: Bureau of Indian Standards, 1989.
MLA-čujuhus (9. p.)Bureau of Indian Standards. BIS Handbook 1989. Bureau of Indian Standards, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.