Usha Nambudripad. (1994). Samuhika bhashavijnanam. State institute of languages.
Chicago Edition CitationUsha Nambudripad. Samuhika Bhashavijnanam. Thiruvananthapuram: State institute of languages, 1994.
MLA Edition CitationUsha Nambudripad. Samuhika Bhashavijnanam. State institute of languages, 1994.
Warning: These citations may not always be 100% accurate.