APA
(2005). Textbook of environmental studies .-978-81-7371-540-2. Hyderabad: Universities Press.
Chicago
2005. Textbook of environmental studies .-978-81-7371-540-2. Hyderabad: Universities Press.
Harvard
(2005). Textbook of environmental studies .-978-81-7371-540-2. Hyderabad: Universities Press.
MLA
Textbook of environmental studies .-978-81-7371-540-2. Hyderabad: Universities Press. 2005.