Não informado. (2004). Mineral industry quarterly. Department of Mines and Energy.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Mineral Industry Quarterly. Parkside, Australia: Department of Mines and Energy, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Mineral Industry Quarterly. Department of Mines and Energy, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.