Dyfyniad APA

Preble, C. A., Mueller, J., & Meyers, J. (2014). A dangerous world?: Threat perception and U.S. national security. Cato Institute.

Dyfyniad Arddull Chicago

Preble, Christopher A., John Mueller, and Jon Meyers. A Dangerous World?: Threat Perception and U.S. National Security. Washington, District of Columbia: Cato Institute, 2014.

Dyfyniad MLA

Preble, Christopher A., et al. A Dangerous World?: Threat Perception and U.S. National Security. Cato Institute, 2014.

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