Parameswaran Namboothiri, P. (1991). Umakeralam, sreemadhaga vaddoothu: Aattakkathakal.
Chicago Edition CitationParameswaran Namboothiri, Pathani. Umakeralam, Sreemadhaga Vaddoothu: Aattakkathakal. Kottayam, Current, 1991.
MLA Edition CitationParameswaran Namboothiri, Pathani. Umakeralam, Sreemadhaga Vaddoothu: Aattakkathakal. 1991.
Warning: These citations may not always be 100% accurate.