Dyfyniad APA
Punmia, B. C., & Jain, A. K. (1995). Water supply engineering (2nd ed.). Laxmi Pub.
Dyfyniad Arddull Chicago
Punmia, B. C., and Ashok Kumar/Jain Jain. Water Supply Engineering. 2nd ed. Kolkata: Laxmi Pub, 1995.
Dyfyniad MLA
Punmia, B. C., and Ashok Kumar/Jain Jain. Water Supply Engineering. 2nd ed. Laxmi Pub, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.