Draper, J., Murphy, G., Vega, E., Covington, D. W., & McKeon, R. (2015). Helping Callers to the National Suicide Prevention Lifeline Who Are at Imminent Risk of Suicide: The Importance of Active Engagement, Active Rescue, and Collaboration Between Crisis and Emergency Services. Suicide Life Threat Behav.

Draper, John, Gillian Murphy, Eduardo Vega, David W. Covington, und Richard McKeon. "Helping Callers to the National Suicide Prevention Lifeline Who Are At Imminent Risk of Suicide: The Importance of Active Engagement, Active Rescue, and Collaboration Between Crisis and Emergency Services." Suicide Life Threat Behav 2015.

Draper, John, et al. "Helping Callers to the National Suicide Prevention Lifeline Who Are At Imminent Risk of Suicide: The Importance of Active Engagement, Active Rescue, and Collaboration Between Crisis and Emergency Services." Suicide Life Threat Behav 2015.