Villaviray, J. (2002). Nene to SSS: Put premiums to sound investments. Manila Times.
Chicago Style aipamenaVillaviray, Johnna. "Nene to SSS: Put Premiums to Sound Investments." Manila Times 2002.
MLA aipamenaVillaviray, Johnna. "Nene to SSS: Put Premiums to Sound Investments." Manila Times, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.