Usha Namboodirippad. (1994). Samoohika bhashavinchanam. Kerala Bhasha Institute.
Chicago Edition CitationUsha Namboodirippad. Samoohika Bhashavinchanam. Thiruvananthapuram: Kerala Bhasha Institute, 1994.
MLA Edition CitationUsha Namboodirippad. Samoohika Bhashavinchanam. Kerala Bhasha Institute, 1994.
Warning: These citations may not always be 100% accurate.