APA引文

Singh, R. (1987). Farm production in rainfed sub-mountains Punjab. B.R. Publishing.

Chicago Style (17th ed.) Citation

Singh, Rachhpal. Farm Production in Rainfed Sub-mountains Punjab. Delhi: B.R. Publishing, 1987.

MLA引文

Singh, Rachhpal. Farm Production in Rainfed Sub-mountains Punjab. B.R. Publishing, 1987.