Παραπομπή σε μορφή APA (7η εκδ.)

Willems, H. (1995). Development, Patterns and Causes of Violence against Foreigners in Germany: Social and Biographical Characteristics of Perpetrators and the Process of Escalation. Terror from the extreme right.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Willems, Helmut. "Development, Patterns and Causes of Violence Against Foreigners in Germany: Social and Biographical Characteristics of Perpetrators and the Process of Escalation." Terror from the Extreme Right 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Willems, Helmut. "Development, Patterns and Causes of Violence Against Foreigners in Germany: Social and Biographical Characteristics of Perpetrators and the Process of Escalation." Terror from the Extreme Right, 1995.