Tesiorna, B. O. (2010). S. Cotabato bans open pit mining. Manila Bulletin.
Cita Chicago (17th ed.)Tesiorna, Ben O. "S. Cotabato Bans Open Pit Mining." Manila Bulletin 2010.
Cita MLA (9th ed.)Tesiorna, Ben O. "S. Cotabato Bans Open Pit Mining." Manila Bulletin, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.