Bureau of Indian Standards. (1989). BIS handbook 1989. Bureau of Indian Standards.
Cita Chicago Style (17a ed.)Bureau of Indian Standards. BIS Handbook 1989. New Delhi: Bureau of Indian Standards, 1989.
Cita MLA (9a ed.)Bureau of Indian Standards. BIS Handbook 1989. Bureau of Indian Standards, 1989.
Precaución: Estas citas no son 100% exactas.