(1999). The adult university. Society for Research into Higher Education & Open University Press.
Chicago-referens (17:e uppl.)The Adult University. Society for Research into Higher Education & Open University Press, 1999.
MLA-referens (9:e uppl.)The Adult University. Society for Research into Higher Education & Open University Press, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.