The World Resources Institute, United Nations Environment Programme, & United Nations Development Programme. (1992). World resources 1992-93. Oxford University Press.
Chicagoスタイル(17版)引用形式The World Resources Institute, United Nations Environment Programme, , United Nations Development Programme. World Resources 1992-93. New York: Oxford University Press, 1992.
MLA(9版)引用形式The World Resources Institute, et al. World Resources 1992-93. Oxford University Press, 1992.
警告: この引用は必ずしも正確ではありません.