Cita APA (7a ed.)

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.

Cita Chicago Style (17a ed.)

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.

Cita MLA (8a ed.)

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.