Luebering, C. (1990). Ministers of the Lord's presence: Reflection and prayer for liturgical ministers (Ushers'/Greeters' ed.). St. Anthony Messenger Press.
Lua i Stíl Chicago (17ú heag.)Luebering, Carol. Ministers of the Lord's Presence: Reflection and Prayer for Liturgical Ministers. Ushers'/Greeters' ed. Cincinnati, Ohio: St. Anthony Messenger Press, 1990.
Lua MLA (8ú heag.)Luebering, Carol. Ministers of the Lord's Presence: Reflection and Prayer for Liturgical Ministers. Ushers'/Greeters' ed. St. Anthony Messenger Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.