Philippine, Department of Environment and Natural Resources. (1997). Philippine biodiversity: An assessment and action plan. Bookmark.
Chicago-referens (17:e uppl.)Philippine, Department of Environment and Natural Resources. Philippine Biodiversity: An Assessment and Action Plan. Makati City: Bookmark, 1997.
MLA-referens (9:e uppl.)Philippine, Department of Environment and Natural Resources. Philippine Biodiversity: An Assessment and Action Plan. Bookmark, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.