Valencia, C. MGB conducts research on bioleaching technology. IN Business. The Philippine Star.
Citazione stile Chigago Style (17a edizione)Valencia, Czeriza. "MGB Conducts Research on Bioleaching Technology. IN Business." The Philippine Star .
Citatione MLA (9a ed.)Valencia, Czeriza. "MGB Conducts Research on Bioleaching Technology. IN Business." The Philippine Star, .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.