Παραπομπή σε μορφή APA (7η εκδ.)

Chivvis,Christopher S, Cohen,Raphael S, Frederick,Bryan, Hamilton,Daniel S, Larrabee,F S, Lin,Bonny, & States, R. C. -. A. F. S. M. U. (2016). NATO's Northeastern Flank - Emerging Opportunities for Engagement.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chivvis,Christopher S, Cohen,Raphael S, Frederick,Bryan, Hamilton,Daniel S, Larrabee,F S, Lin,Bonny, και RAND Corporation -Project Air Force Santa Monica United States. NATO's Northeastern Flank - Emerging Opportunities for Engagement. 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

Chivvis,Christopher S, et al. NATO's Northeastern Flank - Emerging Opportunities for Engagement. 2016.