Παραπομπή σε μορφή APA (7η εκδ.)

Hensel, H. M. (2002). The United States and Europe: Policy imperatives in a globalizing world. Ashgate.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hensel, Howard M. The United States and Europe: Policy Imperatives in a Globalizing World. Hants: Ashgate, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hensel, Howard M. The United States and Europe: Policy Imperatives in a Globalizing World. Ashgate, 2002.