Παραπομπή σε μορφή APA (7η εκδ.)

Gabel, M. J. (1998). Interests and integration: Market liberalization, public opinion, and European Union. University of Michigan Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gabel, Mattheew J. Interests and Integration: Market Liberalization, Public Opinion, and European Union. Ann Arbor: University of Michigan Press, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gabel, Mattheew J. Interests and Integration: Market Liberalization, Public Opinion, and European Union. University of Michigan Press, 1998.