West Bengal (India). Bureau of Applied Economics and Statistics. (1971). Report on earners' survey, 1962 for Calcutta industrial area (excluding Calcutta).
Cita Chicago Style (17a ed.)West Bengal (India). Bureau of Applied Economics and Statistics. Report on Earners' Survey, 1962 for Calcutta Industrial Area (excluding Calcutta). [Calcutta], 1971.
Cita MLA (8a ed.)West Bengal (India). Bureau of Applied Economics and Statistics. Report on Earners' Survey, 1962 for Calcutta Industrial Area (excluding Calcutta). 1971.
Precaución: Estas citas no son 100% exactas.