APA aipamena

Punmia, B. C., Jain, A. K., & Jain, A. K. (2016). Environmental engineering-I: Water supply engineering (Second edition.). Laxmi Publications.

Chicago Style aipamena

Punmia, B. C., Ashok Kumar Jain, and Arun Kumar Jain. Environmental Engineering-I: Water Supply Engineering. Second edition. New Delhi: Laxmi Publications, 2016.

MLA aipamena

Punmia, B. C., et al. Environmental Engineering-I: Water Supply Engineering. Second edition. Laxmi Publications, 2016.