Villaviray, J. (2002). Nene to SSS: Put premiums to sound investments. Manila Times.
Chicago Style (17. basım) AtıfVillaviray, Johnna. "Nene to SSS: Put Premiums to Sound Investments." Manila Times 2002.
MLA (9th ed.) AtıfVillaviray, Johnna. "Nene to SSS: Put Premiums to Sound Investments." Manila Times, 2002.
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