Stefanova, B. M. (2020). The European Union and Europe's New Regionalism. 1st ed. 2018. Springer International Publishing.
Trích dẫn kiểu ChicagoStefanova, Boyka M. The European Union and Europe's New Regionalism. 1st Ed. 2018. Springer International Publishing, 2020.
ציטוט MLAStefanova, Boyka M. The European Union and Europe's New Regionalism. 1st Ed. 2018. Springer International Publishing, 2020.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.