APA
Mishra D. D., .Fundamental Concepts in Environmental Studies. New Delhi: Sultan Chand & Sons.
Chicago
Mishra Dr D.D, .Fundamental Concepts in Environmental Studies. New Delhi: Sultan Chand & Sons.
Harvard
Mishra D. D., .Fundamental Concepts in Environmental Studies. New Delhi: Sultan Chand & Sons.
MLA
Mishra Dr D.D, .New Delhi: Sultan Chand & Sons. .