Pilla, G. (1970). Sahakaranavum Samuhya Vikasanavum. State Institute of languages.
Chicago Edition CitationPilla, G.R. Sahakaranavum Samuhya Vikasanavum. Trivandrum: State Institute of languages, 1970.
MLA Edition CitationPilla, G.R. Sahakaranavum Samuhya Vikasanavum. State Institute of languages, 1970.
Warning: These citations may not always be 100% accurate.