एपीए उद्धरण

Chelangattu Gopalakrishnan. (2014). Chalachithrabhinayam. SPCS.

शिकागो स्टाइल उद्धरण

Chelangattu Gopalakrishnan. Chalachithrabhinayam. Kottayam: SPCS, 2014.

एमएलए उद्धरण

Chelangattu Gopalakrishnan. Chalachithrabhinayam. SPCS, 2014.