توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Brug, W. v. d., Fennema, M., Lange, S. d., & Baller, I. Radical right parties: Their voters and their electoral competitors. Class politics and the radical right.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Brug, Wouter van der, Meindert Fennema, Sarah de Lange, و Inger Baller. "Radical Right Parties: Their Voters and Their Electoral Competitors." Class Politics and the Radical Right .

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Brug, Wouter van der, et al. "Radical Right Parties: Their Voters and Their Electoral Competitors." Class Politics and the Radical Right, .