Não informado. (2000). Bulletin of the Department of Geology. University of California Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Department of Geology. Berkeley, Calif: University of California Press, 2000.
Lua MLA (8ú heag.)Não informado. Bulletin of the Department of Geology. University of California Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.