APA
India C. S. C. S. O., India C. S. C. S. O., . (1957). Key to current official statistics, India. Delhi: MOP.
Chicago
India Cabinet Secretariat Central Statistical Organisation, India Cabinet Secretariat Central Statistical Organisation, . 1957. Key to current official statistics, India. Delhi: MOP.
Harvard
India C. S. C. S. O., India C. S. C. S. O., . (1957). Key to current official statistics, India. Delhi: MOP.
MLA
India Cabinet Secretariat Central Statistical Organisation, India Cabinet Secretariat Central Statistical Organisation, . Key to current official statistics, India. Delhi: MOP. 1957.
