(1957). CIA, Office of Research and Reports, Photographic Intelligence Memorandum, Airfield Activity in the USSR and Satellites, October 2, 1957, Top Secret [Chess]. https://doi.org/10.1163/ejb9789004244627.B04196
Chicago-Zitierstil (17. Ausg.)CIA, Office of Research and Reports, Photographic Intelligence Memorandum, Airfield Activity in the USSR and Satellites, October 2, 1957, Top Secret [Chess]. 1957. https://doi.org/10.1163/ejb9789004244627.B04196.
MLA-Zitierstil (9. Ausg.)CIA, Office of Research and Reports, Photographic Intelligence Memorandum, Airfield Activity in the USSR and Satellites, October 2, 1957, Top Secret [Chess]. 1957. https://doi.org/10.1163/ejb9789004244627.B04196.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.