Cunningham, W. P. (2003). Environmental science: A global concern. Boston: McGraw-Hill.
シカゴスタイル引用形Cunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill, 2003.
MLA引用形式Cunningham, William P. Environmental Science: A Global Concern. Boston: McGraw-Hill, 2003.
警告: この引用は必ずしも正確ではありません.