Haufler, H. (2006). The spies who never were: The true story of the Nazi spies who were actually Allied double agents. NAL Caliber.
Chicago-Zitierstil (17. Ausg.)Haufler, Hervie. The Spies Who Never Were: The True Story of the Nazi Spies Who Were Actually Allied Double Agents. New York, N.Y: NAL Caliber, 2006.
MLA-Zitierstil (9. Ausg.)Haufler, Hervie. The Spies Who Never Were: The True Story of the Nazi Spies Who Were Actually Allied Double Agents. NAL Caliber, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.