APA (7th ed.) Zitazioa
Punmia, B. C., & Jain, A. K. (1995). Water supply engineering (2nd ed.). Laxmi Pub.
Chicago Style (17th ed.) Zitazioa
Punmia, B. C., eta Ashok Kumar/Jain Jain. Water Supply Engineering. 2nd ed. Kolkata: Laxmi Pub, 1995.
MLA (9th ed.) Zitazioa
Punmia, B. C., eta Ashok Kumar/Jain Jain. Water Supply Engineering. 2nd ed. Laxmi Pub, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.