(1995). Environmental energy resources. Commonwealth.
Chicagoスタイル(17版)引用形式Environmental Energy Resources. New Delhi: Commonwealth, 1995.
MLA(9版)引用形式Environmental Energy Resources. Commonwealth, 1995.
警告: この引用は必ずしも正確ではありません.
(1995). Environmental energy resources. Commonwealth.
Chicagoスタイル(17版)引用形式Environmental Energy Resources. New Delhi: Commonwealth, 1995.
MLA(9版)引用形式Environmental Energy Resources. Commonwealth, 1995.