APA
Yogaratnam N, Samarappuli I N, Silva K G Karnika, Siriwardena S & Tillekeratne L M K. (1998). Processing of NR and some developments in rubber chemistry and technology in Sri Lanka. : Bulletin of the Rubber Research Institute of Sri Lanka.
Chicago
Yogaratnam N, Samarappuli I N, Silva K G Karnika, Siriwardena S and Tillekeratne L M K. 1998. Processing of NR and some developments in rubber chemistry and technology in Sri Lanka. : Bulletin of the Rubber Research Institute of Sri Lanka.
Harvard
Yogaratnam N, Samarappuli I N, Silva K G Karnika, Siriwardena S and Tillekeratne L M K. (1998). Processing of NR and some developments in rubber chemistry and technology in Sri Lanka. : Bulletin of the Rubber Research Institute of Sri Lanka.
MLA
Yogaratnam N, Samarappuli I N, Silva K G Karnika, Siriwardena S and Tillekeratne L M K. Processing of NR and some developments in rubber chemistry and technology in Sri Lanka. : Bulletin of the Rubber Research Institute of Sri Lanka. 1998.