Παραπομπή APA

(1992). The Southeastern European yearbook 1991. [Athens]: Hellenic Foundation for Defense and Foreign Policy.

Παραπομπή Chicago Style

The Southeastern European Yearbook 1991. [Athens]: Hellenic Foundation for Defense and Foreign Policy, 1992.

Παραπομπή MLA

The Southeastern European Yearbook 1991. [Athens]: Hellenic Foundation for Defense and Foreign Policy, 1992.

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