Raghavan Pillai. K. (1963). Sandesa chathushtayam. Kerala Sarvakalasala.
Chicago Edition CitationRaghavan Pillai. K. Sandesa Chathushtayam. Kerala Sarvakalasala: Kerala Sarvakalasala, 1963.
MLA Edition CitationRaghavan Pillai. K. Sandesa Chathushtayam. Kerala Sarvakalasala, 1963.
Warning: These citations may not always be 100% accurate.