APA (7e ed.) Bronvermelding

Purpura, P. P. (2007). Terrorism and homeland security: An introduction with applications. Butterworth-Heinemann.

Chicago (17e ed.) Bronvermelding

Purpura, Philip P. Terrorism and Homeland Security: An Introduction with Applications. Amsterdam ; Boston: Butterworth-Heinemann, 2007.

MLA (9e ed.) Bronvermelding

Purpura, Philip P. Terrorism and Homeland Security: An Introduction with Applications. Butterworth-Heinemann, 2007.