Ontario Institute for Studies in Education & International Council for Adult Education. Convergence. International Council for Adult Education.
Chicago-referens (17:e uppl.)Ontario Institute for Studies in Education och International Council for Adult Education. Convergence. Toronto: International Council for Adult Education.
MLA-referens (9:e uppl.)Ontario Institute for Studies in Education och International Council for Adult Education. Convergence. International Council for Adult Education.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.