Stevens, R. A. (2010). Mineral exploration and mining essentials. Pakawau GeoManagement.
Chicago Style aipamenaStevens, Robert Allan. Mineral Exploration and Mining Essentials. Port Coquitlam, BC, Canada: Pakawau GeoManagement, 2010.
MLA aipamenaStevens, Robert Allan. Mineral Exploration and Mining Essentials. Pakawau GeoManagement, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.