APA استشهاد

Clutterbuck, R. (1990). Terrorism, drugs and crime in Europe after 1992.

استشهاد بنمط شيكاغو

Clutterbuck, Richard. Terrorism, Drugs and Crime in Europe After 1992. London, Routledge, 1990.

MLA استشهاد

Clutterbuck, Richard. Terrorism, Drugs and Crime in Europe After 1992. 1990.