Malik, R. P. S. (1982). Farm power in Punjab: A case study of Ludhiana District. Agricultural Economics Research Centre, University of Delhi.
Chicago-referens (17:e uppl.)Malik, R. P. S. Farm Power in Punjab: A Case Study of Ludhiana District. Delhi: Agricultural Economics Research Centre, University of Delhi, 1982.
MLA-referens (8:e uppl.)Malik, R. P. S. Farm Power in Punjab: A Case Study of Ludhiana District. Agricultural Economics Research Centre, University of Delhi, 1982.
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