Speidel, D. H., & Agnew, A. F. (1982). The natural geochemistry of our environment. Westview Press.
Chicagoスタイル(17版)引用形式Speidel, David H., , Allen F. Agnew. The Natural Geochemistry of Our Environment. Boulder, Colo.: Westview Press, 1982.
MLA(8版)引用形式Speidel, David H., , Allen F. Agnew. The Natural Geochemistry of Our Environment. Westview Press, 1982.
警告: この引用は必ずしも正確ではありません.