Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Keereman, F., & Szekely, I. (2010). Five Years of an Enlarged EU: A Positive Sum Game. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Filip Keereman, και Istvan Szekely. Five Years of an Enlarged EU: A Positive Sum Game. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2010.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Five Years of an Enlarged EU: A Positive Sum Game. Springer Berlin Heidelberg : Imprint: Springer, 2010.