Redemptorists. (1976). The Perpetual Help story. Liguori Publications.
Lua i Stíl Chicago (17ú heag.)Redemptorists. The Perpetual Help Story. Liguori, Mo.: Liguori Publications, 1976.
Lua MLA (8ú heag.)Redemptorists. The Perpetual Help Story. Liguori Publications, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.