Sayson, I. C., & Siazon, D. A. (1999). Mid-year investment report: Profiting from recovery. Manila Times.
Chicago-viite (17. p.)Sayson, Ian C., ja Dex A. Siazon. "Mid-year Investment Report: Profiting from Recovery." Manila Times 1999.
MLA-viite (9. p.)Sayson, Ian C., ja Dex A. Siazon. "Mid-year Investment Report: Profiting from Recovery." Manila Times, 1999.
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