West Bengal. Labour Directorate, S. B. (1971). Handbook of Labour Statistics of West Bengal: 1970. The author.
Style de citation Chicago (17e éd.)West Bengal. Labour Directorate, Statistics Branch. Handbook of Labour Statistics of West Bengal: 1970. The author, 1971.
Style de citation MLA (9e éd.)West Bengal. Labour Directorate, Statistics Branch. Handbook of Labour Statistics of West Bengal: 1970. The author, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.