Wilson, R. H. (1978). 25th Anniversary: Institutional Services Incorporated, Archdiocese of Philadelphia. S.l..
Lua i Stíl Chicago (17ú heag.)Wilson, Robert H. 25th Anniversary: Institutional Services Incorporated, Archdiocese of Philadelphia. S.l., 1978.
Lua MLA (8ú heag.)Wilson, Robert H. 25th Anniversary: Institutional Services Incorporated, Archdiocese of Philadelphia. S.l., 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.