John M Chalackal. (1987). Keralathile sahakarana prasthanam. State institute of languages.
Chicago Edition CitationJohn M Chalackal. Keralathile Sahakarana Prasthanam. Thiruvananthapuram: State institute of languages, 1987.
MLA Edition CitationJohn M Chalackal. Keralathile Sahakarana Prasthanam. State institute of languages, 1987.
Warning: These citations may not always be 100% accurate.