Gaya APA

(Retd.), U, M, I. (1981). Water Pollution And Disposal Of Waste Water On Land (-). New Delhi: Tata McGraw-Hill.

Gaya MLA

(Retd.), U.N., Mahida,, I.S.E.. "Water Pollution And Disposal Of Waste Water On Land". - New Delhi: Tata McGraw-Hill, 1981. Text.