Aston, E. b. S. Silicon geochemistry and biogeochemistry. Academic Press.
Lua i Stíl Chicago (17ú heag.)Aston, Edited by S.R. Silicon Geochemistry and Biogeochemistry. Academic Press.
Lua MLA (8ú heag.)Aston, Edited by S.R. Silicon Geochemistry and Biogeochemistry. Academic Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.