(1999). Twilight years: What it really means to be old. Manila Times.
Dyfyniad Arddull Chicago"Twilight Years: What It Really Means to Be Old." Manila Times 1999.
Dyfyniad MLA"Twilight Years: What It Really Means to Be Old." Manila Times, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.