Prof.M Shivashankaran. (2003). Prakrithiyude Thakkol(Malayalam) (I.). Kerala Shastra Sahithya Parishath.
Chicago Edition CitationProf.M Shivashankaran. Prakrithiyude Thakkol(Malayalam). I. Thrissur: Kerala Shastra Sahithya Parishath, 2003.
MLA Edition CitationProf.M Shivashankaran. Prakrithiyude Thakkol(Malayalam). I. Kerala Shastra Sahithya Parishath, 2003.
Warning: These citations may not always be 100% accurate.