Indian Standards Institution. (1977). Indian Standard: Code of Practice for Treatment of Water for Industrial Cooling Systems. Indian Standards Institution.
শিকাগো স্টাইলে সাইটেশনIndian Standards Institution. Indian Standard: Code of Practice for Treatment of Water for Industrial Cooling Systems. N.Delhi: Indian Standards Institution, 1977.
এমএলএ সাইটেশনIndian Standards Institution. Indian Standard: Code of Practice for Treatment of Water for Industrial Cooling Systems. Indian Standards Institution, 1977.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.