Boyd, D. M. (1988). Helping with enquiries: How to assist young people troubled by the law. National Youth Bureau.
Chicago-Zitierstil (17. Ausg.)Boyd, David M. Helping with Enquiries: How to Assist Young People Troubled by the Law. Leicester: National Youth Bureau, 1988.
MLA-Zitierstil (8. Ausg.)Boyd, David M. Helping with Enquiries: How to Assist Young People Troubled by the Law. National Youth Bureau, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.