Cabacungan, G. C. J. (2007). New ruling gives small mining firms big boost. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Cabacungan, Gil C. Jr. "New Ruling Gives Small Mining Firms Big Boost." Philippine Daily Inquirer 2007.
Cita MLA (9th ed.)Cabacungan, Gil C. Jr. "New Ruling Gives Small Mining Firms Big Boost." Philippine Daily Inquirer, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.