(2002). Seventy-seventh annual report: 2001. Oxford Forestry Institute, University of Oxford.
Lua i Stíl Chicago (17ú heag.)Seventy-seventh Annual Report: 2001. Oxford Forestry Institute, University of Oxford, 2002.
Lua MLA (9ú heag.)Seventy-seventh Annual Report: 2001. Oxford Forestry Institute, University of Oxford, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.