एपीए उद्धरण

Rao, N. M. Waste Water Treatment: Rational Methods of Design and Industrial Practices (2nd.). Rational Methods of Design and Inddusrial Practices.

शिकागो स्टाइल उद्धरण

Rao, Narayana. M. Waste Water Treatment: Rational Methods of Design and Industrial Practices. 2nd. Rational Methods of Design and Inddusrial Practices.

एमएलए उद्धरण

Rao, Narayana. M. Waste Water Treatment: Rational Methods of Design and Industrial Practices. 2nd. Rational Methods of Design and Inddusrial Practices.