Dy, R. (2000). Teofilo Yldefonso: The first Filipino Olympic medalist. Manila Times.
Chicagoスタイル(17版)引用形式Dy, Richard. "Teofilo Yldefonso: The First Filipino Olympic Medalist." Manila Times 2000.
MLA(9版)引用形式Dy, Richard. "Teofilo Yldefonso: The First Filipino Olympic Medalist." Manila Times, 2000.
警告: この引用は必ずしも正確ではありません.