Gangadharan ,Assan. (2006). Marma sastram. Prasanthi publishers.
Chicago Edition CitationGangadharan ,Assan. Marma Sastram. Thiruvananthapuram: Prasanthi publishers, 2006.
Cita MLAGangadharan ,Assan. Marma Sastram. Prasanthi publishers, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.