APA
MISHRA D. R., . (2009). A TEXTBOOK ON ENVIRONMENTAL STUDIES. BANGALORE: UNIVERSITY SCIENCE PRESS.
Chicago
MISHRA DR RAJAN, . 2009. A TEXTBOOK ON ENVIRONMENTAL STUDIES. BANGALORE: UNIVERSITY SCIENCE PRESS.
Harvard
MISHRA D. R., . (2009). A TEXTBOOK ON ENVIRONMENTAL STUDIES. BANGALORE: UNIVERSITY SCIENCE PRESS.
MLA
MISHRA DR RAJAN, . A TEXTBOOK ON ENVIRONMENTAL STUDIES. BANGALORE: UNIVERSITY SCIENCE PRESS. 2009.