Dhar , B. B. (2000). Mining and environment. A. P. H..
Cita Chicago (17th ed.)Dhar , Bharat B. Mining and Environment. New Delhi: A. P. H., 2000.
Cita MLA (9th ed.)Dhar , Bharat B. Mining and Environment. A. P. H., 2000.
Atenció: Aquestes cites poden no estar 100% correctes.