Παραπομπή σε μορφή APA (7η εκδ.)

Langberg, D. M. (1999). On the threshold of hope: Opening the door to hope and healing for survivors of sexual abuse. Tyndale.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Langberg, Diane Mandt. On the Threshold of Hope: Opening the Door to Hope and Healing for Survivors of Sexual Abuse. Wheaton: Tyndale, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Langberg, Diane Mandt. On the Threshold of Hope: Opening the Door to Hope and Healing for Survivors of Sexual Abuse. Tyndale, 1999.