एपीए उद्धरण

Parameswarayyar, U. S. Kerala sahithya charithram: Vol.5. Kerala University.

शिकागो स्टाइल उद्धरण

Parameswarayyar, Ulloor S. Kerala Sahithya Charithram: Vol.5. Thiruvananthapuram: Kerala University.

एमएलए उद्धरण

Parameswarayyar, Ulloor S. Kerala Sahithya Charithram: Vol.5. Kerala University.