Παραπομπή σε μορφή APA (7η εκδ.)

Haslam, J., & Urbach, K. (2014). Secret intelligence in the European states system, 1918-1989. Stanford University Press. https://doi.org/10.11126/stanford/9780804783590.001.0001

Παραπομπή σε μορφή Chicago (17η εκδ.)

Haslam, Jonathan, και Karina Urbach. Secret Intelligence in the European States System, 1918-1989. Stanford: Stanford University Press, 2014. https://doi.org/10.11126/stanford/9780804783590.001.0001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Haslam, Jonathan, και Karina Urbach. Secret Intelligence in the European States System, 1918-1989. Stanford University Press, 2014. https://doi.org/10.11126/stanford/9780804783590.001.0001.