Não informado. (1967). Forestry bulletin. Clemson University, Department of Forestry.
Lua i Stíl Chicago (17ú heag.)Não informado. Forestry Bulletin. Clemson, SC: Clemson University, Department of Forestry, 1967.
Lua MLA (8ú heag.)Não informado. Forestry Bulletin. Clemson University, Department of Forestry, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.