Willis, G. C. (1993). Unspeakable crimes: Prevention work with perpetrators of child sexual abuse; a report on the Risk and Assessment Group Treatment Programme, Brighton (1. publ.). Children's Society.
Chicago-Zitierstil (17. Ausg.)Willis, Graham C. Unspeakable Crimes: Prevention Work with Perpetrators of Child Sexual Abuse; a Report on the Risk and Assessment Group Treatment Programme, Brighton. 1. publ. London: Children's Society, 1993.
MLA-Zitierstil (8. Ausg.)Willis, Graham C. Unspeakable Crimes: Prevention Work with Perpetrators of Child Sexual Abuse; a Report on the Risk and Assessment Group Treatment Programme, Brighton. 1. publ. Children's Society, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.