Harrison, R. (1988). Learning later: A handbook for developing educational opportunities with older people. Unit for the Development of Adult Continuing Education u.a.
Chicago-Zitierstil (17. Ausg.)Harrison, Roger. Learning Later: A Handbook for Developing Educational Opportunities with Older People. Leicester: Unit for the Development of Adult Continuing Education u.a, 1988.
MLA-Zitierstil (9. Ausg.)Harrison, Roger. Learning Later: A Handbook for Developing Educational Opportunities with Older People. Unit for the Development of Adult Continuing Education u.a, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.