Sreenath, M. (1991). Pachatya bhasha patanam. Kerala Bhasha Institute.
Chicago Style aipamenaSreenath, M. Pachatya Bhasha Patanam. Thiruvananthapuram: Kerala Bhasha Institute, 1991.
MLA aipamenaSreenath, M. Pachatya Bhasha Patanam. Kerala Bhasha Institute, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.