Vengopalan, K. M. (2006). Keralam, Laingikatha, Linganeethi ( Study). Sign Books.
Chicago Edition CitationVengopalan, K. M. Keralam, Laingikatha, Linganeethi ( Study). Trivandrum: Sign Books, 2006.
MLA Edition CitationVengopalan, K. M. Keralam, Laingikatha, Linganeethi ( Study). Sign Books, 2006.
Warning: These citations may not always be 100% accurate.