Aston, S. R. (1983). Silicon geochemistry and biogeochemistry. Academic.
Chicago Style aipamenaAston, S. R. Silicon Geochemistry and Biogeochemistry. New York: Academic, 1983.
MLA aipamenaAston, S. R. Silicon Geochemistry and Biogeochemistry. Academic, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.