Singh, G., & Inderjeet Kaur Sethi. (1992). Topics and terms in enviornmental science. Commonwealth.
シカゴスタイル引用形Singh, Gurcharan, , Inderjeet Kaur Sethi. Topics and Terms in Enviornmental Science. New Delhi: Commonwealth, 1992.
MLA引用形式Singh, Gurcharan, , Inderjeet Kaur Sethi. Topics and Terms in Enviornmental Science. Commonwealth, 1992.
警告: この引用は必ずしも正確ではありません.