Baburaj, K. (1988). Badhiravidyabhyasam. Kerala Bhasha Institute.
Chicago Style aipamenaBaburaj, Kollangode. Badhiravidyabhyasam. Thiruvananthapuram: Kerala Bhasha Institute, 1988.
MLA aipamenaBaburaj, Kollangode. Badhiravidyabhyasam. Kerala Bhasha Institute, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.