Srinivasa Ayyangar P T. (1988). The stone age in India. Asian Educational Services.
Chicago Style aipamenaSrinivasa Ayyangar P T. The Stone Age in India. New Delhi: Asian Educational Services, 1988.
MLA aipamenaSrinivasa Ayyangar P T. The Stone Age in India. Asian Educational Services, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.