एपीए उद्धरण

Pokkar P K. (1999). Varnabhedhangal padabhedhangal. Chintha Publishers.

शिकागो स्टाइल उद्धरण

Pokkar P K. Varnabhedhangal Padabhedhangal. Thiruvananthapuram: Chintha Publishers, 1999.

एमएलए उद्धरण

Pokkar P K. Varnabhedhangal Padabhedhangal. Chintha Publishers, 1999.