Não informado. (2020). Mining Engineering. Society for Mining, Metallurgy and Exploration.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Mining Engineering. Littleton, Colo: Society for Mining, Metallurgy and Exploration, 2020.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Mining Engineering. Society for Mining, Metallurgy and Exploration, 2020.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.