Παραπομπή APA

Indian Standards Institution. (1977). Indian Standard: Code of Practice for Treatment of Water for Industrial Cooling Systems. Indian Standards Institution.

Παραπομπή Chicago Style

Indian Standards Institution. Indian Standard: Code of Practice for Treatment of Water for Industrial Cooling Systems. N.Delhi: Indian Standards Institution, 1977.

Παραπομπή MLA

Indian Standards Institution. Indian Standard: Code of Practice for Treatment of Water for Industrial Cooling Systems. Indian Standards Institution, 1977.