Bayarong, A. (2011). Region 3 makes 10 percent of GDP. Manila Times.
Cita Chicago (17th ed.)Bayarong, Anthony. "Region 3 Makes 10 Percent of GDP." Manila Times 2011.
Cita MLA (9th ed.)Bayarong, Anthony. "Region 3 Makes 10 Percent of GDP." Manila Times, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.