APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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