International Association of Geochemistry and Cosmochemistry & Siegel, F. R. (1979). Review of research on modern problems in geochemistry. Unesco.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Association of Geochemistry and Cosmochemistry और Frederic R. Siegel. Review of Research on Modern Problems in Geochemistry. Paris: Unesco, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Association of Geochemistry and Cosmochemistry और Frederic R. Siegel. Review of Research on Modern Problems in Geochemistry. Unesco, 1979.
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