एपीए उद्धरण

Punmia, B. C., Jain, A. K., & Jain, A. K. (2014). Waste water engineering: [including air pollution]. Laxmi Publications.

शिकागो स्टाइल उद्धरण

Punmia, B. C., Ashok Kumar Jain, और Arun Kumar Jain. Waste Water Engineering: [including Air Pollution]. New Delhi: Laxmi Publications, 2014.

एमएलए उद्धरण

Punmia, B. C., et al. Waste Water Engineering: [including Air Pollution]. Laxmi Publications, 2014.