"Gloria Macapagal-Arroyo". Current Biography International Yearbook 2004. The H. W. Wilson Company. Archived from the original on April 18, 2007. Retrieved June 4, 2007.
"Gloria Macapagal-Arroyo". Current Biography International Yearbook 2004. The H. W. Wilson Company. Archived from the original on April 18, 2007. Retrieved June 4, 2007.