Smith, J. H., Jeffress, A., Beeler, C. E., & Xin, T. T. US legal perspectives: Legislative, intelligence, and law enforcement aspects. Lone-actor terrorism : an integrated framework.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmith, Jeffrey H., Amy Jeffress, Christopher E. Beeler, और Tian Tian Xin. "US Legal Perspectives: Legislative, Intelligence, and Law Enforcement Aspects." Lone-actor Terrorism : An Integrated Framework .
एमएलए (8वां संस्करण) प्रशस्ति पत्रSmith, Jeffrey H., et al. "US Legal Perspectives: Legislative, Intelligence, and Law Enforcement Aspects." Lone-actor Terrorism : An Integrated Framework, .
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