India. Directorate of National Sample Survey. (1961). National sample survey no. 48 , 14th round , preliminary estimates of birth and death rate and of the rate of growth of population. National Sample Survey Organisation.
Trích dẫn kiểu ChicagoIndia. Directorate of National Sample Survey. National Sample Survey No. 48 , 14th Round , Preliminary Estimates of Birth and Death Rate and of the Rate of Growth of Population. Delhi: National Sample Survey Organisation, 1961.
Trích dẫn MLAIndia. Directorate of National Sample Survey. National Sample Survey No. 48 , 14th Round , Preliminary Estimates of Birth and Death Rate and of the Rate of Growth of Population. National Sample Survey Organisation, 1961.
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