U.S. National Committee for Geochemistry. Subcommittee on the Geochemical Environment in Relation to Health and Disease & U.S. National Committee for Geochemistry. Subcommittee on the Geochemical Environment in Relation to Health and Disease. (1974). Geochemistry and the environment. National Academy of Sciences.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)U.S. National Committee for Geochemistry. Subcommittee on the Geochemical Environment in Relation to Health and Disease و U.S. National Committee for Geochemistry. Subcommittee on the Geochemical Environment in Relation to Health and Disease. Geochemistry and the Environment. Washington: National Academy of Sciences, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)U.S. National Committee for Geochemistry. Subcommittee on the Geochemical Environment in Relation to Health and Disease و U.S. National Committee for Geochemistry. Subcommittee on the Geochemical Environment in Relation to Health and Disease. Geochemistry and the Environment. National Academy of Sciences, 1974.