Rüede, T. (1966). The criteria applying to the position in contracts of principal and agent and of "Kommittent" and "Kommissionăr": A comparative study of English and Swiss law. Keller.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rüede, Thomas. The Criteria Applying to the Position in Contracts of Principal and Agent and of "Kommittent" and "Kommissionăr": A Comparative Study of English and Swiss Law. Zürich: Keller, 1966.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rüede, Thomas. The Criteria Applying to the Position in Contracts of Principal and Agent and of "Kommittent" and "Kommissionăr": A Comparative Study of English and Swiss Law. Keller, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.