Παραπομπή σε μορφή APA (7η εκδ.)

Hopkins, W. J. (2002). Devolution in context: Regional, federal & devolved government in the member states of the European Union. Cavendish Pub.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hopkins, W. John. Devolution in Context: Regional, Federal & Devolved Government in the Member States of the European Union. London: Cavendish Pub, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hopkins, W. John. Devolution in Context: Regional, Federal & Devolved Government in the Member States of the European Union. Cavendish Pub, 2002.