Werner, A. B. T., Sinclair, W. D., & Amey, E. B. (1998). International strategic mineral issues summary report--tungsten. U.S. G.P.O. U.S. Dept. of the Interior, U.S. Geological Survey.
Style de citation Chicago (17e éd.)Werner, Antony B. T., W. D. Sinclair, et Earle B. Amey. International Strategic Mineral Issues Summary Report--tungsten. Washington: U.S. G.P.O. U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
Style de citation MLA (9e éd.)Werner, Antony B. T., et al. International Strategic Mineral Issues Summary Report--tungsten. U.S. G.P.O. U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.