Purpura, P. P. (2007). Terrorism and homeland security: An introduction with applications. Butterworth-Heinemann.
芝加哥风格引文Purpura, Philip P. Terrorism and Homeland Security: An Introduction with Applications. Amsterdam ; Boston: Butterworth-Heinemann, 2007.
MLA引文Purpura, Philip P. Terrorism and Homeland Security: An Introduction with Applications. Butterworth-Heinemann, 2007.
警告：这些引文格式不一定是100％准确.