APA
(1984). Malayalam Lexicon Vol.IV. Thiruvananthapuram: University of Kerala.
Chicago
1984. Malayalam Lexicon Vol.IV. Thiruvananthapuram: University of Kerala.
Harvard
(1984). Malayalam Lexicon Vol.IV. Thiruvananthapuram: University of Kerala.
MLA
Malayalam Lexicon Vol.IV. Thiruvananthapuram: University of Kerala. 1984.