Mathur, P. R. G. (1977). Tribal situation in Kerala. Kerala Historical Society.
Chicago Style aipamenaMathur, P. R. G. Tribal Situation in Kerala. Thiruvananthapuram: Kerala Historical Society, 1977.
MLA aipamenaMathur, P. R. G. Tribal Situation in Kerala. Kerala Historical Society, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.