APA
West Bengal E. S. I. E. C. 1. C. N. D., West Bengal E. S. I. E. C. 1. C. N. D., . (1971). Report. Calcutta: Govt of West Bengal India.
Chicago
West Bengal Employees' State Insurance Enquiry Committee 1969 Chairman Nikhil Das, West Bengal Employees' State Insurance Enquiry Committee 1969 Chairman Nikhil Das, . 1971. Report. Calcutta: Govt of West Bengal India.
Harvard
West Bengal E. S. I. E. C. 1. C. N. D., West Bengal E. S. I. E. C. 1. C. N. D., . (1971). Report. Calcutta: Govt of West Bengal India.
MLA
West Bengal Employees' State Insurance Enquiry Committee 1969 Chairman Nikhil Das, West Bengal Employees' State Insurance Enquiry Committee 1969 Chairman Nikhil Das, . Report. Calcutta: Govt of West Bengal India. 1971.