Meloy, J. R., & Holzer, J. C. Threat assessment: The TRAP-18 and application to a lone-actor terrorism incident. Lone-actor terrorism : an integrated framework.

Meloy, J. Reid, and Jacob C. Holzer. "Threat Assessment: The TRAP-18 and Application to a Lone-actor Terrorism Incident." Lone-actor Terrorism : An Integrated Framework .

Meloy, J. Reid, and Jacob C. Holzer. "Threat Assessment: The TRAP-18 and Application to a Lone-actor Terrorism Incident." Lone-actor Terrorism : An Integrated Framework, .