APA引文

Nanwall, R. K., & Pawan Kumar. (2016). Text book of farming systems. Agri-Biovet.

Chicago Edition Citation

Nanwall, R K., and Pawan Kumar. Text Book of Farming Systems. New Delhi: Agri-Biovet, 2016.

MLA引文

Nanwall, R K., and Pawan Kumar. Text Book of Farming Systems. Agri-Biovet, 2016.