Ople, B. F. (1999). Rafael Salas remembered: Betrayed by his own government? IN Windows. Philippine Panorama.
Lua i Stíl Chicago (17ú heag.)Ople, Blas F. "Rafael Salas Remembered: Betrayed by His Own Government? IN Windows." Philippine Panorama 1999.
Lua MLA (9ú heag.)Ople, Blas F. "Rafael Salas Remembered: Betrayed by His Own Government? IN Windows." Philippine Panorama, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.