Não informado. (2004). Environmental Science & Policy. Editions Elsevier.
Lua i Stíl Chicago (17ú heag.)Não informado. Environmental Science & Policy. Exeter, Inglaterra: Editions Elsevier, 2004.
Lua MLA (8ú heag.)Não informado. Environmental Science & Policy. Editions Elsevier, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.