International Association of Geochemistry and Cosmochemistry & Siegel, F. R. (1979). Review of research on modern problems in geochemistry. Unesco.
Chicago-viite (17. p.)International Association of Geochemistry and Cosmochemistry ja Frederic R. Siegel. Review of Research on Modern Problems in Geochemistry. Paris: Unesco, 1979.
MLA-viite (9. p.)International Association of Geochemistry and Cosmochemistry ja Frederic R. Siegel. Review of Research on Modern Problems in Geochemistry. Unesco, 1979.
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