Klippel, D. Reasonable Aims of Civil Society: Concerns of the State in German Political Theory in the Eigteenth and Early Nineteenth Century / Diethelm Klippel. Rethinking Leviathan : the eighteenth-century state in Britain and Germany.(1999).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Klippel, Diethelm. "Reasonable Aims of Civil Society: Concerns of the State in German Political Theory in the Eigteenth and Early Nineteenth Century / Diethelm Klippel." Rethinking Leviathan : The Eighteenth-century State in Britain and Germany.(1999) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Klippel, Diethelm. "Reasonable Aims of Civil Society: Concerns of the State in German Political Theory in the Eigteenth and Early Nineteenth Century / Diethelm Klippel." Rethinking Leviathan : The Eighteenth-century State in Britain and Germany.(1999), .