एपीए उद्धरण

Rao,C.S. (1991). Environmental pollution control engineering. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Rao,C.S. Environmental Pollution Control Engineering. New Delhi: Wiley Eastern, 1991.

एमएलए उद्धरण

Rao,C.S. Environmental Pollution Control Engineering. Wiley Eastern, 1991.