Catholic Church Extension Society of the United States of America & Loyola University Chicago. Archives. Catholic Church Extension Society records.
Chicago-viite (17. p.)Catholic Church Extension Society of the United States of America ja Loyola University Chicago. Archives. Catholic Church Extension Society Records.
MLA-viite (8. p.)Catholic Church Extension Society of the United States of America ja Loyola University Chicago. Archives. Catholic Church Extension Society Records.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.