Aggarwal, P. C. (1973). Green revolution and rural labour: A study in Ludhiana. Shri Ram Centre for Industrial relations and Human Resources.
Chicago-tyylinen lähdeviittausAggarwal, Partap C. Green Revolution and Rural Labour: A Study in Ludhiana. New Delhi: Shri Ram Centre for Industrial relations and Human Resources, 1973.
MLA-viiteAggarwal, Partap C. Green Revolution and Rural Labour: A Study in Ludhiana. Shri Ram Centre for Industrial relations and Human Resources, 1973.
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