David, J. E. (2015). Spies and shuttles: Secret relationships with the DoD and CIA. University of Florida.
芝加哥风格引文David, James E. Spies and Shuttles: Secret Relationships with the DoD and CIA. Gainesville, Florida: University of Florida, 2015.
MLA引文David, James E. Spies and Shuttles: Secret Relationships with the DoD and CIA. University of Florida, 2015.
警告：这些引文格式不一定是100％准确.