Zimmermann, Reinhard MPI for Comparative and International Private Law, Max Planck Society;
Zimmermann, R., Visser, D., & Reid, K. (Eds.). (2004). Mixed Legal Systems in Comparative Perspective: Property and Obligations in Scotland and South Africa. Oxford: Oxford University Press. doi:10.1093/acprof:oso/9780199271009.001.0001.