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Lua i Stíl Chicago (17ú heag.)Schibel, Karl-Ludwig, Gotelind Alber, agus Angela Hanisch. Annual Report 2002-2003. Frankfurt am Main: Climate Alliance, 2002.
Lua MLA (8ú heag.)Schibel, Karl-Ludwig, et al. Annual Report 2002-2003. Frankfurt am Main: Climate Alliance, 2002.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.