Não informado. (2003). Southern African Forestry Journal. Southern African Institute of Forestry.
Chicago-referens (17:e uppl.)Não informado. Southern African Forestry Journal. Pretoria, Africa do Sul: Southern African Institute of Forestry, 2003.
MLA-referens (8:e uppl.)Não informado. Southern African Forestry Journal. Southern African Institute of Forestry, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.