Sankaran, K. P. (2009). Sapthakam. Kerala Sahitya Akademi.
Chicago Edition CitationSankaran, K P. Sapthakam. Kerala Sahitya Akademi, 2009.
Cita MLASankaran, K P. Sapthakam. Kerala Sahitya Akademi, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.