Zacharias, Diana Max Planck Institute for Comparative Public Law and International Law, Max Planck Society;
https://opil.ouplaw.com/view/10.1093/law:epil/9780199231690/law-9780199231690-e849?rskey=16J7jt&result=1&prd=MPIL (Verlagsversion)
Zacharias, D. (2012). Missionaries. In Max Planck Encyclopedia of Public International Law, Bd. 7 (pp. 292-295). Oxford: Oxford University Press. Retrieved from http://www.mpepil.com/.
