Stefanova, B. M. (2020). The European Union and Europe's New Regionalism. 1st ed. 2018. Springer International Publishing.
استشهاد بنمط شيكاغوStefanova, Boyka M. The European Union and Europe's New Regionalism. 1st Ed. 2018. Springer International Publishing, 2020.
MLA استشهادStefanova, Boyka M. The European Union and Europe's New Regionalism. 1st Ed. 2018. Springer International Publishing, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.