APA
(1969). Planting Materials: Lists of Approved Seed Collection Areas, Approved Private Nurseries and Approved Planting Materials. Kottayam: Rubber Research Institute of India.
Chicago
1969. Planting Materials: Lists of Approved Seed Collection Areas, Approved Private Nurseries and Approved Planting Materials. Kottayam: Rubber Research Institute of India.
Harvard
(1969). Planting Materials: Lists of Approved Seed Collection Areas, Approved Private Nurseries and Approved Planting Materials. Kottayam: Rubber Research Institute of India.
MLA
Planting Materials: Lists of Approved Seed Collection Areas, Approved Private Nurseries and Approved Planting Materials. Kottayam: Rubber Research Institute of India. 1969.
