(1975). Sacred Heart Church: Holy Year 1975 : Newton, Iowa. Pictorial Church Directories of America.
Chicago-viite (17. p.)Sacred Heart Church: Holy Year 1975 : Newton, Iowa. St. Louis, Mo.: Pictorial Church Directories of America, 1975.
MLA-viite (8. p.)Sacred Heart Church: Holy Year 1975 : Newton, Iowa. Pictorial Church Directories of America, 1975.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.