APA
Attanayaka D P S T G, . (1998). Improved clones for more productivity. : Bulletin of the Rubber Research Institute of Sri Lanka.
Chicago
Attanayaka D P S T G, . 1998. Improved clones for more productivity. : Bulletin of the Rubber Research Institute of Sri Lanka.
Harvard
Attanayaka D P S T G, . (1998). Improved clones for more productivity. : Bulletin of the Rubber Research Institute of Sri Lanka.
MLA
Attanayaka D P S T G, . Improved clones for more productivity. : Bulletin of the Rubber Research Institute of Sri Lanka. 1998.