एपीए उद्धरण

Chandrika Sankaranarayanan. (1992). Vayalar Ramavarma: Rithubhethangalkku varnam pakarnna kavi.

शिकागो स्टाइल उद्धरण

Chandrika Sankaranarayanan. Vayalar Ramavarma: Rithubhethangalkku Varnam Pakarnna Kavi. Kottayam, DCB, 1992.

एमएलए उद्धरण

Chandrika Sankaranarayanan. Vayalar Ramavarma: Rithubhethangalkku Varnam Pakarnna Kavi. 1992.