APA (7 वां संस्करण) प्रशस्ति पत्र

Malik, R. P. S. (1982). Farm power in Punjab: A case study of Ludhiana District. Agricultural Economics Research Centre, University of Delhi.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Malik, R. P. S. Farm Power in Punjab: A Case Study of Ludhiana District. Delhi: Agricultural Economics Research Centre, University of Delhi, 1982.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Malik, R. P. S. Farm Power in Punjab: A Case Study of Ludhiana District. Agricultural Economics Research Centre, University of Delhi, 1982.