APA
Nugawela A, . (2009). Scientists arm the rubber plant to successfully conquer the 300 m elevation barrier. : Bulletin of the Rubber Research Institute of Sri Lanka.
Chicago
Nugawela A, . 2009. Scientists arm the rubber plant to successfully conquer the 300 m elevation barrier. : Bulletin of the Rubber Research Institute of Sri Lanka.
Harvard
Nugawela A, . (2009). Scientists arm the rubber plant to successfully conquer the 300 m elevation barrier. : Bulletin of the Rubber Research Institute of Sri Lanka.
MLA
Nugawela A, . Scientists arm the rubber plant to successfully conquer the 300 m elevation barrier. : Bulletin of the Rubber Research Institute of Sri Lanka. 2009.