APA
George P J, Markose V C, Panikkar A O N & Premakumari D. (1980). Rubber tree (Hevea brasiliensis Muell Arg.). : Handbook of Natural Rubber Production in India (Ed. P N Radhakrishna Pillay) Kottayam, RRII, 1980.
Chicago
George P J, Markose V C, Panikkar A O N and Premakumari D. 1980. Rubber tree (Hevea brasiliensis Muell Arg.). : Handbook of Natural Rubber Production in India (Ed. P N Radhakrishna Pillay) Kottayam, RRII, 1980.
Harvard
George P J, Markose V C, Panikkar A O N and Premakumari D. (1980). Rubber tree (Hevea brasiliensis Muell Arg.). : Handbook of Natural Rubber Production in India (Ed. P N Radhakrishna Pillay) Kottayam, RRII, 1980.
MLA
George P J, Markose V C, Panikkar A O N and Premakumari D. Rubber tree (Hevea brasiliensis Muell Arg.). : Handbook of Natural Rubber Production in India (Ed. P N Radhakrishna Pillay) Kottayam, RRII, 1980. 1980.