West Bengal (India). Bureau of Applied Economics and Statistics. (1971). Report on earners' survey, 1962 for Calcutta industrial area (excluding Calcutta).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWest Bengal (India). Bureau of Applied Economics and Statistics. Report on Earners' Survey, 1962 for Calcutta Industrial Area (excluding Calcutta). [Calcutta], 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWest Bengal (India). Bureau of Applied Economics and Statistics. Report on Earners' Survey, 1962 for Calcutta Industrial Area (excluding Calcutta). 1971.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.