(1985). The Press of Labor Migrants in Europe and North Amerika 1880s to 1930s. Bremen: Labor Newspaper Preservation Projekt.
Chicago-viite (17. p.)The Press of Labor Migrants in Europe and North Amerika 1880s to 1930s. Bremen: Labor Newspaper Preservation Projekt, 1985.
MLA-viite (8. p.)The Press of Labor Migrants in Europe and North Amerika 1880s to 1930s. Bremen: Labor Newspaper Preservation Projekt, 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.