Não informado. (2010). International Higher Education. Center for International Higher Education.
Chicago-referens (17:e uppl.)Não informado. International Higher Education. Chestnut Hill, Mass: Center for International Higher Education, 2010.
MLA-referens (8:e uppl.)Não informado. International Higher Education. Center for International Higher Education, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.