Cojuangco, T. (2001). Yellow ribbons, a yellow butterfly, and Ninoy's last day. Philippine Star.
Citazione stile Chigago Style (17a edizione)Cojuangco, Tingting. "Yellow Ribbons, a Yellow Butterfly, and Ninoy's Last Day." Philippine Star 2001.
Citatione MLA (9a ed.)Cojuangco, Tingting. "Yellow Ribbons, a Yellow Butterfly, and Ninoy's Last Day." Philippine Star, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.