Nava True II,George, & Penpen. Mine safety-a top priority og "Ang Minero'. IN Industry Profiles. Portal : your insight into the Philippine mining industry.
Citazione stile Chigago Style (17a edizione)Nava True II,George, e Penpen. "Mine Safety-a Top Priority Og "Ang Minero'. IN Industry Profiles." Portal : Your Insight into the Philippine Mining Industry .
Citatione MLA (9a ed.)Nava True II,George, e Penpen. "Mine Safety-a Top Priority Og "Ang Minero'. IN Industry Profiles." Portal : Your Insight into the Philippine Mining Industry, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.