India. Directorate of National Sample Survey. (1967). National sample survey no. 121, 18th round , preliminary estimates of birth and death rates and of the rate of growth of population. National Sample Survey Organisation.
Stile di citazione ChicagoIndia. Directorate of National Sample Survey. National Sample Survey No. 121, 18th Round , Preliminary Estimates of Birth and Death Rates and of the Rate of Growth of Population. Delhi: National Sample Survey Organisation, 1967.
Citazione MLAIndia. Directorate of National Sample Survey. National Sample Survey No. 121, 18th Round , Preliminary Estimates of Birth and Death Rates and of the Rate of Growth of Population. National Sample Survey Organisation, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.