Vazirani, V. N. (1979). Public health engineering, water supply and sanitary engineering. Khanna.
Dyfyniad Arddull ChicagoVazirani, V. N. Public Health Engineering, Water Supply and Sanitary Engineering. Delhi: Khanna, 1979.
Dyfyniad MLAVazirani, V. N. Public Health Engineering, Water Supply and Sanitary Engineering. Khanna, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.