Erickson, S. L. (1999). Fundamentals of environmental management. John Wiley.
シカゴスタイル引用形Erickson, Steven L. Fundamentals of Environmental Management. New York: John Wiley, 1999.
MLA引用形式Erickson, Steven L. Fundamentals of Environmental Management. John Wiley, 1999.
警告: この引用は必ずしも正確ではありません.