Udayabhanu, A. P. (2000). Vriddha vicharam. Prabhath Book House.
Chicago Edition CitationUdayabhanu, A. P. Vriddha Vicharam. Trivandrum: Prabhath Book House, 2000.
MLA Edition CitationUdayabhanu, A. P. Vriddha Vicharam. Prabhath Book House, 2000.
Warning: These citations may not always be 100% accurate.