Gale, J. (2009). Astrobiology of Earth: The emergence, evolution, and future of life on a planet in turmoil. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Gale, J. Astrobiology of Earth: The Emergence, Evolution, and Future of Life on a Planet in Turmoil. Oxford: Oxford University Press, 2009.
Lua MLA (9ú heag.)Gale, J. Astrobiology of Earth: The Emergence, Evolution, and Future of Life on a Planet in Turmoil. Oxford University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.