Hopt, Klaus J. MPI for Comparative and International Private Law, Max Planck Society;
Hopt, K. J. (2008). The European Foundation Centre Project and the European Foundation Project. In R. Chancerelle de Machete, & H. Sousa Antunes (Eds.), As Fundaçôes na Europa/Foundations in Europe. Aspectos Jurídicos/Legal Aspects (pp. 51-57). Lisboa: Fundação Luso-Americana para o Desenvolvimento.