Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), De Benedictis, L., & Salvatici, L. (2011). The Trade Impact of European Union Preferential Policies: An Analysis Through Gravity Models. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Luca De Benedictis, και Luca Salvatici. The Trade Impact of European Union Preferential Policies: An Analysis Through Gravity Models. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2011.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. The Trade Impact of European Union Preferential Policies: An Analysis Through Gravity Models. Springer Berlin Heidelberg : Imprint: Springer, 2011.