Clements. Science in an Extreme Environment. University of Pittsburgh Press.
Lua i Stíl Chicago (17ú heag.)Clements. Science in an Extreme Environment. University of Pittsburgh Press.
Lua MLA (8ú heag.)Clements. Science in an Extreme Environment. University of Pittsburgh Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.