(1987). The new environmental age. Press syndicate of th universityu.
Chicagoスタイル(17版)引用形式The New Environmental Age. New York: Press syndicate of th universityu, 1987.
MLA(9版)引用形式The New Environmental Age. Press syndicate of th universityu, 1987.
警告: この引用は必ずしも正確ではありません.