Hundleby, J. D. (1992). Thirteen to thirty: A follow-up study of young training school boys. User report.
Chicago-Zitierstil (17. Ausg.)Hundleby, John D. "Thirteen to Thirty: A Follow-up Study of Young Training School Boys." User Report 1992.
MLA-Zitierstil (8. Ausg.)Hundleby, John D. "Thirteen to Thirty: A Follow-up Study of Young Training School Boys." User Report, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.