एपीए उद्धरण

Anjaneyulu, Y. (2004). Introduction to environmental science. BS publication.

शिकागो स्टाइल उद्धरण

Anjaneyulu, Y. Introduction to Environmental Science. Hydrabad: BS publication, 2004.

एमएलए उद्धरण

Anjaneyulu, Y. Introduction to Environmental Science. BS publication, 2004.