Não informado. (1999). International Mining & Minerals. Institution of Mining Engineers.
Style de citation Chicago (17e éd.)Não informado. International Mining & Minerals. Doncaster, Inglaterra: Institution of Mining Engineers, 1999.
Style de citation MLA (8e éd.)Não informado. International Mining & Minerals. Institution of Mining Engineers, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.