Perpeña, E. (2001). Pension funds political risks. Manila Times.
Dyfyniad Arddull ChicagoPerpeña, Ed. "Pension Funds Political Risks." Manila Times 2001.
Dyfyniad MLAPerpeña, Ed. "Pension Funds Political Risks." Manila Times, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.