Halko, J. (1950). Oak Lane Presbyterian Church. Philadelphia Council of Churches.
Lua i Stíl Chicago (17ú heag.)Halko, John. Oak Lane Presbyterian Church. Philadelphia: Philadelphia Council of Churches, 1950.
Lua MLA (8ú heag.)Halko, John. Oak Lane Presbyterian Church. Philadelphia Council of Churches, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.