India. Directorate of National Sample Survey. (1971). National sample survey no. 181, 21st round tables with notes on urban labour force. National Sample Survey Organisation.
Chicago Edition CitationIndia. Directorate of National Sample Survey. National Sample Survey No. 181, 21st Round Tables with Notes on Urban Labour Force. Delhi: National Sample Survey Organisation, 1971.
MLA Edition CitationIndia. Directorate of National Sample Survey. National Sample Survey No. 181, 21st Round Tables with Notes on Urban Labour Force. National Sample Survey Organisation, 1971.
Warning: These citations may not always be 100% accurate.