Verma, N. (1986). The terracottas of Bihar. Ramanand Vidya Bhawan.
Chicago Style (17th ed.) ZitazioaVerma, Nisha. The Terracottas of Bihar. New Delhi: Ramanand Vidya Bhawan, 1986.
MLA (9th ed.) ZitazioaVerma, Nisha. The Terracottas of Bihar. Ramanand Vidya Bhawan, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.