APA引文

Singh,R P. (2005). Sustainable Development of dryland agriculture in india. Scientific publishers (India).

Chicago Edition Citation

Singh,R P. Sustainable Development of Dryland Agriculture in India. Jodhpur: Scientific publishers (India), 2005.

MLA引文

Singh,R P. Sustainable Development of Dryland Agriculture in India. Scientific publishers (India), 2005.

警告：這些引文格式不一定是100％准確.