Não informado. (2001). Annotated Bibliography of Economic Geology. Economic Geology Publication.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annotated Bibliography of Economic Geology. Lancaster, Pa: Economic Geology Publication, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annotated Bibliography of Economic Geology. Economic Geology Publication, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.