Van Goethem, G. Conflicting interests: The International Federation of Trade Unions (1919-1945). The International Confederation of Free Trade Unions, 73-163.
Lua i Stíl Chicago (17ú heag.)Van Goethem, Geert. "Conflicting Interests: The International Federation of Trade Unions (1919-1945)." The International Confederation of Free Trade Unions : 73-163.
Lua MLA (8ú heag.)Van Goethem, Geert. "Conflicting Interests: The International Federation of Trade Unions (1919-1945)." The International Confederation of Free Trade Unions, , pp. 73-163.
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