एपीए उद्धरण

Gireesan Bhattathirippad. (2011). Athirathram 2011. D C Books.

शिकागो स्टाइल उद्धरण

Gireesan Bhattathirippad. Athirathram 2011. Kottayam: D C Books, 2011.

एमएलए उद्धरण

Gireesan Bhattathirippad. Athirathram 2011. D C Books, 2011.