Não informado. (1967). Forestry bulletin. Clemson University, Department of Forestry.
Chicago-referens (17:e uppl.)Não informado. Forestry Bulletin. Clemson, SC: Clemson University, Department of Forestry, 1967.
MLA-referens (8:e uppl.)Não informado. Forestry Bulletin. Clemson University, Department of Forestry, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.