Prathapan. (1988). Chalachitra kala. Kerala Sahitya Academy.
Chicago Edition CitationPrathapan. Chalachitra Kala. Kerala Sahitya Academy, 1988.
MLA Edition CitationPrathapan. Chalachitra Kala. Kerala Sahitya Academy, 1988.
Warning: These citations may not always be 100% accurate.