Não informado. (2001). Annotated Bibliography of Economic Geology. Economic Geology Publication.
Chicago-Zitierstil (17. Ausg.)Não informado. Annotated Bibliography of Economic Geology. Lancaster, Pa: Economic Geology Publication, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. Annotated Bibliography of Economic Geology. Economic Geology Publication, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.