Purushothaman ,Thaikoottam. (2003). Mathatheetha Pravachakan. Prabhath Books.
Chicago Edition CitationPurushothaman ,Thaikoottam. Mathatheetha Pravachakan. Trivandrum: Prabhath Books, 2003.
MLA Edition CitationPurushothaman ,Thaikoottam. Mathatheetha Pravachakan. Prabhath Books, 2003.
Warning: These citations may not always be 100% accurate.