Παραπομπή APA

India. Directorate of National Sample Survey. (1975). National sample survey no. 204, 22nd round, vital rates by percapita monthly household expenditure. National Sample Survey Organisation.

Παραπομπή Chicago Style

India. Directorate of National Sample Survey. National Sample Survey No. 204, 22nd Round, Vital Rates by Percapita Monthly Household Expenditure. Delhi: National Sample Survey Organisation, 1975.

Παραπομπή MLA

India. Directorate of National Sample Survey. National Sample Survey No. 204, 22nd Round, Vital Rates by Percapita Monthly Household Expenditure. National Sample Survey Organisation, 1975.