Velayudhan Panikkasserry. (1980). Kerala charithra padhanangal.
Chicago Edition CitationVelayudhan Panikkasserry. Kerala Charithra Padhanangal. 1980.
MLA Edition CitationVelayudhan Panikkasserry. Kerala Charithra Padhanangal. 1980.
Warning: These citations may not always be 100% accurate.