Ravisankar S Nair. (2007). Paddypadhathi siddantham. Kerala Bhasha Institute.
Chicago Edition CitationRavisankar S Nair. Paddypadhathi Siddantham. Thiruvananthapuram: Kerala Bhasha Institute, 2007.
MLA引文Ravisankar S Nair. Paddypadhathi Siddantham. Kerala Bhasha Institute, 2007.
警告:這些引文格式不一定是100%准確.