Padmanabhan, P. (2007). Keralathile pakshikkoodukal. State Institute of Languages, Kerala.
Chicago Edition CitationPadmanabhan, P.V. Keralathile Pakshikkoodukal. Thiruvananthapuram: State Institute of Languages, Kerala, 2007.
Cita MLAPadmanabhan, P.V. Keralathile Pakshikkoodukal. State Institute of Languages, Kerala, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.