Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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