Visnu Narayanan Namboothiri. (2013). Pranaya geethangal. SPCS.
Chicago Edition CitationVisnu Narayanan Namboothiri. Pranaya Geethangal. Kottayam: SPCS, 2013.
Cita MLAVisnu Narayanan Namboothiri. Pranaya Geethangal. SPCS, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.