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Lua i Stíl Chicago (17ú heag.)Nicholson, Martin. Energy in a Changing Climate. Dural Delivery Centre, N.S.W.: Rosenberg, 2009.
Lua MLA (9ú heag.)Nicholson, Martin. Energy in a Changing Climate. Rosenberg, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.