(1952). Fr. de la Costa warns against extremism. Philippine Collegian.
Lua i Stíl Chicago (17ú heag.)"Fr. De La Costa Warns Against Extremism." Philippine Collegian 1952.
Lua MLA (9ú heag.)"Fr. De La Costa Warns Against Extremism." Philippine Collegian, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.