Whincup, M. H., & Rudden, B. (1996). Contract law and practice: The English System and Continental Comparisons (Third revised and enlarged edition.). Kluver Law International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Whincup, Michael H., و Bernard Rudden. Contract Law and Practice: The English System and Continental Comparisons. Third revised and enlarged edition. The Hague, The Netherlands: Kluver Law International, 1996.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Whincup, Michael H., و Bernard Rudden. Contract Law and Practice: The English System and Continental Comparisons. Third revised and enlarged edition. Kluver Law International, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.