(1999). Twilight years: What it really means to be old. Manila Times.
Cita Chicago (17th ed.)"Twilight Years: What It Really Means to Be Old." Manila Times 1999.
Cita MLA (9th ed.)"Twilight Years: What It Really Means to Be Old." Manila Times, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.