Joy Thirumoolapuram. (2014). Vartha: Swabhavam, prakrutham, moolyam, uravidam (3rd ed.). Kerala bhasha institute.
Chicago Edition CitationJoy Thirumoolapuram. Vartha: Swabhavam, Prakrutham, Moolyam, Uravidam. 3rd ed. TVM: Kerala bhasha institute, 2014.
MLA Edition CitationJoy Thirumoolapuram. Vartha: Swabhavam, Prakrutham, Moolyam, Uravidam. 3rd ed. Kerala bhasha institute, 2014.
Warning: These citations may not always be 100% accurate.