Indian Bureau of Mines. Mineral Economics Division. (1987). Report on current status of India's foreign trade in principal industrial minerals & rocks and scope for future. Govt. of India, Ministry of Steel and Mines, Indian Bureau of Mines, Mineral Economics Division.
Citace podle Chicago (17th ed.)Indian Bureau of Mines. Mineral Economics Division. Report on Current Status of India's Foreign Trade in Principal Industrial Minerals & Rocks and Scope for Future. Nagpur: Govt. of India, Ministry of Steel and Mines, Indian Bureau of Mines, Mineral Economics Division, 1987.
Citace podle MLA (8th ed.)Indian Bureau of Mines. Mineral Economics Division. Report on Current Status of India's Foreign Trade in Principal Industrial Minerals & Rocks and Scope for Future. Govt. of India, Ministry of Steel and Mines, Indian Bureau of Mines, Mineral Economics Division, 1987.