Bormann, F. H., & Kellert, S. R. (1991). Ecology, economics, ethics: The broken circle. Yale University Press.
Chicagoスタイル(17版)引用形式Bormann, F. Herbert, , Stephen R. Kellert. Ecology, Economics, Ethics: The Broken Circle. New Haven: Yale University Press, 1991.
MLA(9版)引用形式Bormann, F. Herbert, , Stephen R. Kellert. Ecology, Economics, Ethics: The Broken Circle. Yale University Press, 1991.
警告: この引用は必ずしも正確ではありません.