APA
Barnard Douglas, . (1982). New ways with natural : Natural rubber is being modified to enhance its properties. : Rubber Board Bulletin.
Chicago
Barnard Douglas, . 1982. New ways with natural : Natural rubber is being modified to enhance its properties. : Rubber Board Bulletin.
Harvard
Barnard Douglas, . (1982). New ways with natural : Natural rubber is being modified to enhance its properties. : Rubber Board Bulletin.
MLA
Barnard Douglas, . New ways with natural : Natural rubber is being modified to enhance its properties. : Rubber Board Bulletin. 1982.