Pamintuan, A. M. (1991). Malacañang accepts Ampil resignation / Ana Marie Pamintuan. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Pamintuan, Ana Marie. "Malacañang Accepts Ampil Resignation / Ana Marie Pamintuan." Philippine Star 1991.
Lua MLA (9ú heag.)Pamintuan, Ana Marie. "Malacañang Accepts Ampil Resignation / Ana Marie Pamintuan." Philippine Star, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.