Schneider, S. H. (2004). Scientists debate gaia: The next century. MIT Press.
Lua i Stíl Chicago (17ú heag.)Schneider, Stephen Henry. Scientists Debate Gaia: The Next Century. Cambridge, Mass.: MIT Press, 2004.
Lua MLA (9ú heag.)Schneider, Stephen Henry. Scientists Debate Gaia: The Next Century. MIT Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
