एपीए उद्धरण

Anjaneyulu, Y. (2004). Introduction to environmental science. BSP.

शिकागो स्टाइल उद्धरण

Anjaneyulu, Y. Introduction to Environmental Science. Hyderabad: BSP, 2004.

एमएलए उद्धरण

Anjaneyulu, Y. Introduction to Environmental Science. BSP, 2004.