Archdiocese of Philadelphia, O. o. t. S. o. S. Report to the Community: Catholic Secondary Education in the Archdiocese of Philadelphia. Philadelphia.
Lua i Stíl Chicago (17ú heag.)Archdiocese of Philadelphia, Office of the Superintendent of Schools. Report to the Community: Catholic Secondary Education in the Archdiocese of Philadelphia. Philadelphia.
Lua MLA (8ú heag.)Archdiocese of Philadelphia, Office of the Superintendent of Schools. Report to the Community: Catholic Secondary Education in the Archdiocese of Philadelphia. Philadelphia.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.