Perpeña, E. (2001). Pension funds political risks. Manila Times.
Chicagoスタイル(17版)引用形式Perpeña, Ed. "Pension Funds Political Risks." Manila Times 2001.
MLA(9版)引用形式Perpeña, Ed. "Pension Funds Political Risks." Manila Times, 2001.
警告: この引用は必ずしも正確ではありません.