Bachrach, B. S., & Bachrach, D. S. (2020). Military intelligence and long-term planning in the ninth century: The Carolingians and their adversaries.
Chicago-Zitierstil (17. Ausg.)Bachrach, Bernard S., und David S. Bachrach. Military Intelligence and Long-term Planning in the Ninth Century: The Carolingians and Their Adversaries. 2020.
MLA-Zitierstil (9. Ausg.)Bachrach, Bernard S., und David S. Bachrach. Military Intelligence and Long-term Planning in the Ninth Century: The Carolingians and Their Adversaries. 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.