Vasudevan Pillai Vayala. (2013). Rangabhasha. Kerala Bhasha Institute.
Chicago Style aipamenaVasudevan Pillai Vayala. Rangabhasha. Thiruvananthapuram: Kerala Bhasha Institute, 2013.
MLA aipamenaVasudevan Pillai Vayala. Rangabhasha. Kerala Bhasha Institute, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.