Ravivarma Koyithampuran, C. (1962). Ushakalyanam: Bhasha champu. Kerala Sahithya Academy.
Chicago Edition CitationRavivarma Koyithampuran, Changanassery. Ushakalyanam: Bhasha Champu. Thrissur: Kerala Sahithya Academy, 1962.
MLA Edition CitationRavivarma Koyithampuran, Changanassery. Ushakalyanam: Bhasha Champu. Kerala Sahithya Academy, 1962.
Warning: These citations may not always be 100% accurate.