Coughlin, C. E. (1939). Appeal to the laboring man. C.E. Coughlin.
Lua i Stíl Chicago (17ú heag.)Coughlin, Charles E. Appeal to the Laboring Man. Royal Oak, Mich.: C.E. Coughlin, 1939.
Lua MLA (8ú heag.)Coughlin, Charles E. Appeal to the Laboring Man. C.E. Coughlin, 1939.
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