एपीए उद्धरण

Pradeepan Pampirikunnu. (2016). Narayanaguru Punarvayanakal. Progress pub.

शिकागो स्टाइल उद्धरण

Pradeepan Pampirikunnu. Narayanaguru Punarvayanakal. Kozhikode: Progress pub, 2016.

एमएलए उद्धरण

Pradeepan Pampirikunnu. Narayanaguru Punarvayanakal. Progress pub, 2016.