Παραπομπή APA

(1978). Yearbook of International Organizations 1978 (17th ed.). Brussels: Union of International Associations.

Παραπομπή Chicago Style

Yearbook of International Organizations 1978. 17th ed. Brussels: Union of International Associations, 1978.

Παραπομπή MLA

Yearbook of International Organizations 1978. 17th ed. Brussels: Union of International Associations, 1978.

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