World Federation of Education Associations. World Federation news. World Federation of Education Associations.
Chicago-referens (17:e uppl.)World Federation of Education Associations. World Federation News. Columbia, Mo.: World Federation of Education Associations.
MLA-referens (8:e uppl.)World Federation of Education Associations. World Federation News. World Federation of Education Associations.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.