Ravindran, T. K. (1978). Institutions and movements in Kerala History.
Chicago Style aipamenaRavindran, T K. Institutions and Movements in Kerala History. Charithram publications, Thriruvananthapuram, 1978.
MLA aipamenaRavindran, T K. Institutions and Movements in Kerala History. 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.