Padmanabhan, P. V. (2007). Keralathile pakshikkoodukal. Kerala Bhasha Institute.
Chicago Edition CitationPadmanabhan, P. V. Keralathile Pakshikkoodukal. Thiruvananthapuram: Kerala Bhasha Institute, 2007.
MLA Edition CitationPadmanabhan, P. V. Keralathile Pakshikkoodukal. Kerala Bhasha Institute, 2007.
Warning: These citations may not always be 100% accurate.