Ravivarma Koyithampuram, C. (1990). Ushakalyanam.
Chicago Edition CitationRavivarma Koyithampuram, Changanacherry. Ushakalyanam. Thrissur, Kerala Sahitya Academy, 1990.
MLA Edition CitationRavivarma Koyithampuram, Changanacherry. Ushakalyanam. 1990.
Warning: These citations may not always be 100% accurate.