Brennan, D., Concordia, M., & Madden, M. Law enforcement response to lone-actor incidents at the local through federal levels. Lone-actor terrorism : an integrated framework.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brennan, Douglas, Mark Concordia, و Michael Madden. "Law Enforcement Response to Lone-actor Incidents at the Local Through Federal Levels." Lone-actor Terrorism : An Integrated Framework .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Brennan, Douglas, et al. "Law Enforcement Response to Lone-actor Incidents at the Local Through Federal Levels." Lone-actor Terrorism : An Integrated Framework, .
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.