Παραπομπή σε μορφή APA (7η εκδ.)

Koopmans, R. (1995). Democracy from below: New social movements and the political system in West Germany. Westview Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Koopmans, Ruud. Democracy from Below: New Social Movements and the Political System in West Germany. Boulder: Westview Press, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Koopmans, Ruud. Democracy from Below: New Social Movements and the Political System in West Germany. Westview Press, 1995.