Schloesser, H. H. (1921). Trade unionism (2d ed., rev.). Methuen & Co.
Lua i Stíl Chicago (17ú heag.)Schloesser, Henry H. Trade Unionism. 2d ed., rev. London: Methuen & Co, 1921.
Lua MLA (8ú heag.)Schloesser, Henry H. Trade Unionism. 2d ed., rev. Methuen & Co, 1921.
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