Beder, S. (2007). Environmental principles and policies an interdisciplinary introduction.
シカゴスタイル引用形Beder, Sharon. Environmental Principles and Policies an Interdisciplinary Introduction. London, Earth Scan, 2007.
MLA引用形式Beder, Sharon. Environmental Principles and Policies an Interdisciplinary Introduction. 2007.
警告: この引用は必ずしも正確ではありません.