APA-čujuhus (7. p.)
Haslam, J., & Urbach, K. (2014). Secret intelligence in the European states system, 1918-1989. Stanford University Press.
Chicago-čujuhus (17. p.)
Haslam, Jonathan, juo Karina Urbach. Secret Intelligence in the European States System, 1918-1989. Stanford, California: Stanford University Press, 2014.
MLA-čujuhus (9. p.)
Haslam, Jonathan, juo Karina Urbach. Secret Intelligence in the European States System, 1918-1989. Stanford University Press, 2014.
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