APA-viite

Whittaker, D. J. (2004). Terrorists and terrorism: In the contemporary world.

Chicago-tyylinen lähdeviittaus

Whittaker, David J. Terrorists and Terrorism: In the Contemporary World. London, Routledge, 2004.

MLA-viite

Whittaker, David J. Terrorists and Terrorism: In the Contemporary World. 2004.