توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)
European Commission. Directorate-General for Health and Consumer Protection, Bar, C. v., Drobnig, U., & Alpa, G. (2004). The interaction of contract law and tort and property law in Europe: A comparative study. sellier european law publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)
European Commission. Directorate-General for Health and Consumer Protection, Christian von Bar, Ulrich Drobnig, و Guido Alpa. The Interaction of Contract Law and Tort and Property Law in Europe: A Comparative Study. M�unchen, [Germany]: sellier european law publishers, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)
European Commission. Directorate-General for Health and Consumer Protection, et al. The Interaction of Contract Law and Tort and Property Law in Europe: A Comparative Study. sellier european law publishers, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.