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Lua i Stíl Chicago (17ú heag.)International Confederation of Free Trade Unions (ICFTU). ICFTU Youth Charter = Charte CISL De La Jeunesse = IBFG-Jugendcharta = Carta CIODSL Para La Juventud: As Adopted by the 11th ICFTU World Congress, Mexico City, 17-25 October 1975. [S.l.]: ICFTU, 1976.
Lua MLA (8ú heag.)International Confederation of Free Trade Unions (ICFTU). ICFTU Youth Charter = Charte CISL De La Jeunesse = IBFG-Jugendcharta = Carta CIODSL Para La Juventud: As Adopted by the 11th ICFTU World Congress, Mexico City, 17-25 October 1975. [S.l.]: ICFTU, 1976.