APA
(1983). National Seminar on Rubber, 10 September 1983, New Delhi, India. Kottayam: Rubber Research Institute of India.
Chicago
1983. National Seminar on Rubber, 10 September 1983, New Delhi, India. Kottayam: Rubber Research Institute of India.
Harvard
(1983). National Seminar on Rubber, 10 September 1983, New Delhi, India. Kottayam: Rubber Research Institute of India.
MLA
National Seminar on Rubber, 10 September 1983, New Delhi, India. Kottayam: Rubber Research Institute of India. 1983.
