Παραπομπή σε μορφή APA (7η εκδ.)

Barbe, E., & Herranz-Surralles, A. (2012). The challenge of differentiation in Euro-Mediterranean relations: Flexible regional cooperation or fragmentation. Routledge.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barbe, Esther, και Anna Herranz-Surralles. The Challenge of Differentiation in Euro-Mediterranean Relations: Flexible Regional Cooperation or Fragmentation. London, New York: Routledge, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Barbe, Esther, και Anna Herranz-Surralles. The Challenge of Differentiation in Euro-Mediterranean Relations: Flexible Regional Cooperation or Fragmentation. Routledge, 2012.