APA
(1993). Weed Management Principles and Practice. New Delhi: Agro Botanica.
Chicago
1993. Weed Management Principles and Practice. New Delhi: Agro Botanica.
Harvard
(1993). Weed Management Principles and Practice. New Delhi: Agro Botanica.
MLA
Weed Management Principles and Practice. New Delhi: Agro Botanica. 1993.