Cita APA

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

Citación estilo Chicago

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

Cita MLA

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