India. Registrar general and census commissioner & Das, B. (1972). Census 1971. Series 4, Bihar: District census handbook, Champaran district. Bihar state text book publishing.
Style de citation Chicago (17e éd.)India. Registrar general and census commissioner et B.L Das. Census 1971. Series 4, Bihar: District Census Handbook, Champaran District. Bihar state text book publishing, 1972.
Style de citation MLA (9e éd.)India. Registrar general and census commissioner et B.L Das. Census 1971. Series 4, Bihar: District Census Handbook, Champaran District. Bihar state text book publishing, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.