Gupta, K. R.. (2007). Global environment: Problems and policies. Atlantic.
シカゴスタイル引用形Gupta, K. R. Global Environment: Problems and Policies. New Delhi: Atlantic, 2007.
MLA引用形式Gupta, K. R. Global Environment: Problems and Policies. Atlantic, 2007.
警告: この引用は必ずしも正確ではありません.