APA
Marattukalam J.G, Panikkar A.O.N & Saraswathyamma C.K. (1989). Early performance of a few Hevea clones in large scale trial. : Placrosym VII, 1986, Coonoor, India. Journal of Plantation Crops, 16(Supplement):377-381.
Chicago
Marattukalam J.G, Panikkar A.O.N and Saraswathyamma C.K. 1989. Early performance of a few Hevea clones in large scale trial. : Placrosym VII, 1986, Coonoor, India. Journal of Plantation Crops, 16(Supplement):377-381.
Harvard
Marattukalam J.G, Panikkar A.O.N and Saraswathyamma C.K. (1989). Early performance of a few Hevea clones in large scale trial. : Placrosym VII, 1986, Coonoor, India. Journal of Plantation Crops, 16(Supplement):377-381.
MLA
Marattukalam J.G, Panikkar A.O.N and Saraswathyamma C.K. Early performance of a few Hevea clones in large scale trial. : Placrosym VII, 1986, Coonoor, India. Journal of Plantation Crops, 16(Supplement):377-381. 1989.