Singh, M. P. (2004). International encyclopedia of energy resources. Daya Publishing House.
シカゴスタイル引用形Singh, M. P. International Encyclopedia of Energy Resources. Delhi: Daya Publishing House, 2004.
MLA引用形式Singh, M. P. International Encyclopedia of Energy Resources. Daya Publishing House, 2004.
警告: この引用は必ずしも正確ではありません.