Ambio: A Journal of the Human Environment. Royal Swedish Academy of Sciences.
Lua i Stíl Chicago (17ú heag.)Ambio: A Journal of the Human Environment. US: Royal Swedish Academy of Sciences.
Lua MLA (9ú heag.)Ambio: A Journal of the Human Environment. Royal Swedish Academy of Sciences.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.