Espina, G. (1999). Why amend the Constitution. Philippine Graphic.
Chicagoスタイル(17版)引用形式Espina, Gerry. "Why Amend the Constitution." Philippine Graphic 1999.
MLA(9版)引用形式Espina, Gerry. "Why Amend the Constitution." Philippine Graphic, 1999.
警告: この引用は必ずしも正確ではありません.