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.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)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.
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