APA
(1989). Abstracts of watershed management research and related studies in the Asean region volume 2. Laguna: ASEAN-US Watershed Project.
Chicago
1989. Abstracts of watershed management research and related studies in the Asean region volume 2. Laguna: ASEAN-US Watershed Project.
Harvard
(1989). Abstracts of watershed management research and related studies in the Asean region volume 2. Laguna: ASEAN-US Watershed Project.
MLA
Abstracts of watershed management research and related studies in the Asean region volume 2. Laguna: ASEAN-US Watershed Project. 1989.