Cohen, J. E. (1995). How many people can the earth support? Norton.
Chicagoスタイル(17版)引用形式Cohen, Joel E. How Many People Can the Earth Support? New York: Norton, 1995.
MLA(8版)引用形式Cohen, Joel E. How Many People Can the Earth Support? Norton, 1995.
警告: この引用は必ずしも正確ではありません.