APA引文

Singh, G., & Inderjeet Kaur Sethi. (1992). Topics and terms in enviornmental science. Commonwealth.

Chicago Edition Citation

Singh, Gurcharan, and Inderjeet Kaur Sethi. Topics and Terms in Enviornmental Science. New Delhi: Commonwealth, 1992.

MLA引文

Singh, Gurcharan, and Inderjeet Kaur Sethi. Topics and Terms in Enviornmental Science. Commonwealth, 1992.

警告：這些引文格式不一定是100％准確.