APA
(2008). Rubber Plantation Extension, 2008, Kottayam, India. Kottayam: Rubber Research Institute of India.
Chicago
2008. Rubber Plantation Extension, 2008, Kottayam, India. Kottayam: Rubber Research Institute of India.
Harvard
(2008). Rubber Plantation Extension, 2008, Kottayam, India. Kottayam: Rubber Research Institute of India.
MLA
Rubber Plantation Extension, 2008, Kottayam, India. Kottayam: Rubber Research Institute of India. 2008.
