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