Não informado. (1982). Bibliography of Economic Geology. Geosystems Publications.
Style de citation Chicago (17e éd.)Não informado. Bibliography of Economic Geology. London: Geosystems Publications, 1982.
Style de citation MLA (8e éd.)Não informado. Bibliography of Economic Geology. Geosystems Publications, 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.