Hoerder, D., & Harzig, C. (1987). The immigrant labor press in North America 1840s-1970s: An annotated bibliography. Volume 3 : Migrants from Southern and Western Europe. New York [etc.]: Greenwood.
Lua i Stíl Chicago (17ú heag.)Hoerder, Dirk, agus Christiane Harzig. The Immigrant Labor Press in North America 1840s-1970s: An Annotated Bibliography. Volume 3 : Migrants from Southern and Western Europe. New York [etc.]: Greenwood, 1987.
Lua MLA (8ú heag.)Hoerder, Dirk, agus Christiane Harzig. The Immigrant Labor Press in North America 1840s-1970s: An Annotated Bibliography. Volume 3 : Migrants from Southern and Western Europe. New York [etc.]: Greenwood, 1987.
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