Cummings, R. H. (2021). Cold War frequencies: CIA clandestine radio broadcasting to the Soviet Union and Eastern Europe. McFarland & Company.
Chicago ZitierstilCummings, Richard H. Cold War Frequencies: CIA Clandestine Radio Broadcasting to the Soviet Union and Eastern Europe. Jefferson: McFarland & Company, 2021.
MLA ZitierstilCummings, Richard H. Cold War Frequencies: CIA Clandestine Radio Broadcasting to the Soviet Union and Eastern Europe. McFarland & Company, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.