Chandrika Sankaranarayanan. (1992). Vayalar Ramavarmma L Rithubhedangalkku varnnam pakarnna kavi. D.C. Books, Kottayam.
Chicago Stili AlıntıChandrika Sankaranarayanan. Vayalar Ramavarmma L Rithubhedangalkku Varnnam Pakarnna Kavi. D.C. Books, Kottayam: D.C. Books, Kottayam, 1992.
MLA AlıntıChandrika Sankaranarayanan. Vayalar Ramavarmma L Rithubhedangalkku Varnnam Pakarnna Kavi. D.C. Books, Kottayam, 1992.
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