APA (7th ed.) Zitazioa
Punmia, B., Jain, A. K., & Jain, A. K. (1995). Environmental Engineering-I: Water Supply Engineering. Laxmi Publications.
Chicago Style (17th ed.) Zitazioa
Punmia, B.C, Ashok Kumar Jain, eta Arun Kumar Jain. Environmental Engineering-I: Water Supply Engineering. New Delhi: Laxmi Publications, 1995.
MLA (9th ed.) Zitazioa
Punmia, B.C, et al. Environmental Engineering-I: Water Supply Engineering. Laxmi Publications, 1995.
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