Perpeña, E. (2001). Pension funds political risks. Manila Times.
Cita Chicago (17th ed.)Perpeña, Ed. "Pension Funds Political Risks." Manila Times 2001.
Cita MLA (9th ed.)Perpeña, Ed. "Pension Funds Political Risks." Manila Times, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.