Purushothaman Cherukunnam. (2007). Kavithilakan panthalam keralavarma. Kerala Sahitya Academi.
Chicago Edition CitationPurushothaman Cherukunnam. Kavithilakan Panthalam Keralavarma. Thrissur: Kerala Sahitya Academi, 2007.
MLA Edition CitationPurushothaman Cherukunnam. Kavithilakan Panthalam Keralavarma. Kerala Sahitya Academi, 2007.
Warning: These citations may not always be 100% accurate.