Sen, S. (1977). Working Class of Idia: History of emergence and movement. K.P. Bagchi.
Citazione stile Chigago Style (17a edizione)Sen, Sukomal. Working Class of Idia: History of Emergence and Movement. CALCUTTA: K.P. Bagchi, 1977.
Citatione MLA (9a ed.)Sen, Sukomal. Working Class of Idia: History of Emergence and Movement. K.P. Bagchi, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.