Não informado. Tropical woods. Yale University, School of Forestry.
Chicago-referens (17:e uppl.)Não informado. Tropical Woods. New Haven, Conn: Yale University, School of Forestry.
MLA-referens (8:e uppl.)Não informado. Tropical Woods. Yale University, School of Forestry.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.