John Oppenheim, Willem-Jan van der Wolf, Global Law Association (2003). Global War Crimes Collection (Volume 1 ed.). USA: Global Law Association. p. 140. Archived from the original on 2023-04-22. Retrieved 2017-09-15.
John Oppenheim, Willem-Jan van der Wolf, Global Law Association (2003). Global War Crimes Collection (Volume 1 ed.). USA: Global Law Association. p. 140. Archived from the original on 2023-04-22. Retrieved 2017-09-15.