Trích dẫn APA

Aggarwal, P. C. (1973). Green revolution and rural labour: A study in Ludhiana. Shri Ram Centre for Industrial relations and Human Resources.

Trích dẫn kiểu Chicago

Aggarwal, Partap C. Green Revolution and Rural Labour: A Study in Ludhiana. New Delhi: Shri Ram Centre for Industrial relations and Human Resources, 1973.

Trích dẫn MLA

Aggarwal, 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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