Não informado. (1993). Quality Assurance in Education. MCB University Press.
Chicago-referens (17:e uppl.)Não informado. Quality Assurance in Education. Bradford, Inglaterra: MCB University Press, 1993.
MLA-referens (8:e uppl.)Não informado. Quality Assurance in Education. MCB University Press, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.