एपीए उद्धरण

Poonthanam. (1968). Njanappana. National Book Stall.

शिकागो स्टाइल उद्धरण

Poonthanam. Njanappana. Kottayam: National Book Stall, 1968.

एमएलए उद्धरण

Poonthanam. Njanappana. National Book Stall, 1968.