Crisostomo, I. T. (2003). GMA and Cory Aquino [an excerpt from the foreword of Isabelo T. Crisostomo's newest presidential biography, the Power and the Glory: GMA and Her Presidency]. Philippine Star.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Crisostomo, Isabelo T. "GMA and Cory Aquino [an Excerpt from the Foreword of Isabelo T. Crisostomo's Newest Presidential Biography, the Power and the Glory: GMA and Her Presidency]." Philippine Star 2003.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Crisostomo, Isabelo T. "GMA and Cory Aquino [an Excerpt from the Foreword of Isabelo T. Crisostomo's Newest Presidential Biography, the Power and the Glory: GMA and Her Presidency]." Philippine Star, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.