APA
Sinulingga W, Abbas L J, Alwi N & Hutabarat T S M. (1990). Pathogenicity of Corynespora cassiicola isolated from several Hevea rubber clones on GT 1. : Bulletin Perkaretan.
Chicago
Sinulingga W, Abbas L J, Alwi N and Hutabarat T S M. 1990. Pathogenicity of Corynespora cassiicola isolated from several Hevea rubber clones on GT 1. : Bulletin Perkaretan.
Harvard
Sinulingga W, Abbas L J, Alwi N and Hutabarat T S M. (1990). Pathogenicity of Corynespora cassiicola isolated from several Hevea rubber clones on GT 1. : Bulletin Perkaretan.
MLA
Sinulingga W, Abbas L J, Alwi N and Hutabarat T S M. Pathogenicity of Corynespora cassiicola isolated from several Hevea rubber clones on GT 1. : Bulletin Perkaretan. 1990.