एपीए उद्धरण

Prasannakumar, V. (2007). Geomorphology of Kerala. University of Kerala.

शिकागो स्टाइल उद्धरण

Prasannakumar, V. Geomorphology of Kerala. Thiruvananthapuram: University of Kerala, 2007.

एमएलए उद्धरण

Prasannakumar, V. Geomorphology of Kerala. University of Kerala, 2007.