Usha Namboothirippad. (1994). Samoohika bhaashaa vijnhaanam.
Chicago Edition CitationUsha Namboothirippad. Samoohika Bhaashaa Vijnhaanam. Thiruvananthapuram, Kerala Bhaasha Institute, 1994.
MLA Edition CitationUsha Namboothirippad. Samoohika Bhaashaa Vijnhaanam. 1994.
Warning: These citations may not always be 100% accurate.