Παραπομπή σε μορφή APA (7η εκδ.)

Podraza, A. (2018). A transatlantic or European perspective of world affairs: NATO and the EU towards problems of international security in the 21st century. Servicio de Publicaciones, Universidad de Alcalá.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Podraza, Andrzej. A Transatlantic or European Perspective of World Affairs: NATO and the EU Towards Problems of International Security in the 21st Century. Alcalá de Henares: Servicio de Publicaciones, Universidad de Alcalá, 2018.

Παραπομπή σε μορφή MLA (9th εκδ.)

Podraza, Andrzej. A Transatlantic or European Perspective of World Affairs: NATO and the EU Towards Problems of International Security in the 21st Century. Servicio de Publicaciones, Universidad de Alcalá, 2018.