(1974). Seven Holy Founders, Calumet Park, Illinois: Pictorial directory, 1974. Family Portrait Studio.
Chicago-viite (17. p.)Seven Holy Founders, Calumet Park, Illinois: Pictorial Directory, 1974. S. Holland, Ill.: Family Portrait Studio, 1974.
MLA-viite (8. p.)Seven Holy Founders, Calumet Park, Illinois: Pictorial Directory, 1974. Family Portrait Studio, 1974.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.