Gaya APA

Howard, R, D., Hoffman, B. (2012). Terrorism and CounterTerrorism : Understanding the New Security Enviroment Readings and Interpretations Ed. 4'th (4). New York: McGraw Hill Companies.

Gaya MLA

Howard, Russell, D.., Hoffman, Bruce. "Terrorism and CounterTerrorism : Understanding the New Security Enviroment Readings and Interpretations Ed. 4'th". 4 New York: McGraw Hill Companies, 2012. Text.