Lua APA (7ú heag.)
(1975). CARBON and the biosphere.
Lua i Stíl Chicago (17ú heag.)
CARBON and the Biosphere. 1975.
Lua MLA (9ú heag.)
CARBON and the Biosphere. 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.