Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Cardwell, P. J. (2012). EU External Relations Law and Policy in the Post-Lisbon Era. T. M. C. Asser Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Paul James Cardwell. EU External Relations Law and Policy in the Post-Lisbon Era. The Hague, The Netherlands: T. M. C. Asser Press, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Paul James Cardwell. EU External Relations Law and Policy in the Post-Lisbon Era. T. M. C. Asser Press, 2012.