Wittling, K. (1998). Intelligence on the threat of extremism and terrorism in Germany: Data, reliability, situation. Internal security in modern industrialized societies, 99-106.
Chicago-Zitierstil (17. Ausg.)Wittling, Klaus. "Intelligence on the Threat of Extremism and Terrorism in Germany: Data, Reliability, Situation." Internal Security in Modern Industrialized Societies 1998: 99-106.
MLA-Zitierstil (9. Ausg.)Wittling, Klaus. "Intelligence on the Threat of Extremism and Terrorism in Germany: Data, Reliability, Situation." Internal Security in Modern Industrialized Societies, 1998, pp. 99-106.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.