Deutsch-Chinesische Enzyklopädie, 德汉百科

       
German — Chinese
Party and government ***Citizenship and Immigration Services

加拿大移民、难民及公民部/Immigration, Réfugiés et Citoyenneté Canada
世界上承认双重国籍和完全不承认双重国籍的国家/Countries in the world that recognize dual citizenship and those that do not recognize dual citizenship at all