Kumar, A., & Nehar, S. (2007). Environmental protection. Daya Publishing House.
シカゴスタイル引用形Kumar, Arvind, , Shamshun Nehar. Environmental Protection. Delhi: Daya Publishing House, 2007.
MLA引用形式Kumar, Arvind, , Shamshun Nehar. Environmental Protection. Daya Publishing House, 2007.
警告: この引用は必ずしも正確ではありません.