Chakrabarti, P. K. (1989). Coal industry in West Bengal. Northern Book Centre.
Style de citation Chicago (17e éd.)Chakrabarti, Prabhas Kumar. Coal Industry in West Bengal. Northern Book Centre, 1989.
Style de citation MLA (9e éd.)Chakrabarti, Prabhas Kumar. Coal Industry in West Bengal. Northern Book Centre, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.