एपीए उद्धरण

Vidyasagar. (2006). Prapancha nigoodathakalude anavaranam. Mythri Books.

शिकागो स्टाइल उद्धरण

Vidyasagar. Prapancha Nigoodathakalude Anavaranam. Thiruvananthapuram: Mythri Books, 2006.

एमएलए उद्धरण

Vidyasagar. Prapancha Nigoodathakalude Anavaranam. Mythri Books, 2006.