APA

Marattukalam J.G, George P.J & Premakumari D. (1991). Performance of a few RRII clones of Hevea brasiliensis (Willd. ex. Adr. de Juss) Muell. Arg. in a large scale trial. : Placrosym VIII, 1988, Cochin, India. Journal of Plantation Crops, 18 (Supplement): 3-6.

Chicago

Marattukalam J.G, George P.J and Premakumari D. 1991. Performance of a few RRII clones of Hevea brasiliensis (Willd. ex. Adr. de Juss) Muell. Arg. in a large scale trial. : Placrosym VIII, 1988, Cochin, India. Journal of Plantation Crops, 18 (Supplement): 3-6.

Harvard

Marattukalam J.G, George P.J and Premakumari D. (1991). Performance of a few RRII clones of Hevea brasiliensis (Willd. ex. Adr. de Juss) Muell. Arg. in a large scale trial. : Placrosym VIII, 1988, Cochin, India. Journal of Plantation Crops, 18 (Supplement): 3-6.

MLA

Marattukalam J.G, George P.J and Premakumari D. Performance of a few RRII clones of Hevea brasiliensis (Willd. ex. Adr. de Juss) Muell. Arg. in a large scale trial. : Placrosym VIII, 1988, Cochin, India. Journal of Plantation Crops, 18 (Supplement): 3-6. 1991.