Govett, e. b. G. G. a. M. World mineral supplies assessment and perspective. Elsevier Scientific Publishing.
Cita Chicago Style (17a ed.)Govett, edited by G.J.S. Govett and M.H. World Mineral Supplies Assessment and Perspective. Elsevier Scientific Publishing.
Cita MLA (8a ed.)Govett, edited by G.J.S. Govett and M.H. World Mineral Supplies Assessment and Perspective. Elsevier Scientific Publishing.
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