{{cite web | url=http://www.europeana.eu/resolve/record/04802/54CA471F474043FCCF7617A93B5529B90983CE0B|title=Pologne : Rétrospective de la lutte syndicale|accessdate=2013-05-24 |publisher=Europeana}}

<ref>{{cite web | url=http://www.europeana.eu/resolve/record/04802/54CA471F474043FCCF7617A93B5529B90983CE0B|title=Pologne : Rétrospective de la lutte syndicale|accessdate=2013-05-24 |publisher=Europeana}}</ref>