APA
Dave D. &. K. S. S., . (2012). Textbook of environmental studies 2e. Andover: Cengage.
Chicago
Dave Deeksha & Katewa S S, . 2012. Textbook of environmental studies 2e. Andover: Cengage.
Harvard
Dave D. &. K. S. S., . (2012). Textbook of environmental studies 2e. Andover: Cengage.
MLA
Dave Deeksha & Katewa S S, . Textbook of environmental studies 2e. Andover: Cengage. 2012.