Padmanabhan, P. (2007). Keralathile pakshikkoodukal. State Institute of Languages, Kerala.
Stile di citazione ChicagoPadmanabhan, P.V. Keralathile Pakshikkoodukal. Thiruvananthapuram: State Institute of Languages, Kerala, 2007.
Citazione MLAPadmanabhan, P.V. Keralathile Pakshikkoodukal. State Institute of Languages, Kerala, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.