Sivadas, S. (2014). Prakrithibhodavum manushyanum. Kerala bhasha institute.
Chicago Edition CitationSivadas, S. Prakrithibhodavum Manushyanum. TVM: Kerala bhasha institute, 2014.
MLA Edition CitationSivadas, S. Prakrithibhodavum Manushyanum. Kerala bhasha institute, 2014.
Warning: These citations may not always be 100% accurate.