(1985). The Press of Labor Migrants in Europe and North Amerika 1880s to 1930s. Bremen: Labor Newspaper Preservation Projekt.
芝加哥风格引文The Press of Labor Migrants in Europe and North Amerika 1880s to 1930s. Bremen: Labor Newspaper Preservation Projekt, 1985.
MLA引文The Press of Labor Migrants in Europe and North Amerika 1880s to 1930s. Bremen: Labor Newspaper Preservation Projekt, 1985.
警告：这些引文格式不一定是100％准确.