Absin, P. B. (1990). Joint efforts of church and gov't needed in population control. IN Letters [column]. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Absin, Path Bryan. "Joint Efforts of Church and Gov't Needed in Population Control. IN Letters [column]." Philippine Star 1990.
Lua MLA (9ú heag.)Absin, Path Bryan. "Joint Efforts of Church and Gov't Needed in Population Control. IN Letters [column]." Philippine Star, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.