International Symposium on Underground Engineering New Delhi, India, Central Mining Research Station (Dhanbad, India), & Singh, B. (1988). International Symposium on Underground Engineering, 14-17 April, 1988, New Delhi, India: Proceedings. Oxford & IBH Pub. Co..
Chicago Style (17th ed.) CitationInternational Symposium on Underground Engineering New Delhi, India, India) Central Mining Research Station (Dhanbad, and B. Singh. International Symposium on Underground Engineering, 14-17 April, 1988, New Delhi, India: Proceedings. New Delhi: Oxford & IBH Pub. Co., 1988.
MLA (9th ed.) CitationInternational Symposium on Underground Engineering New Delhi, India, et al. International Symposium on Underground Engineering, 14-17 April, 1988, New Delhi, India: Proceedings. Oxford & IBH Pub. Co., 1988.