Não informado. (2001). Annotated Bibliography of Economic Geology. Economic Geology Publication.
Chicago-referens (17:e uppl.)Não informado. Annotated Bibliography of Economic Geology. Lancaster, Pa: Economic Geology Publication, 2001.
MLA-referens (8:e uppl.)Não informado. Annotated Bibliography of Economic Geology. Economic Geology Publication, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.