Hamilton, D. (1974). Annotated index of British Foreign Office materials related to Ethiopian boundaries. [s.n.].
Chicago-Zitierstil (17. Ausg.)Hamilton, David. Annotated Index of British Foreign Office Materials Related to Ethiopian Boundaries. Addis Ababa: [s.n.], 1974.
MLA-Zitierstil (8. Ausg.)Hamilton, David. Annotated Index of British Foreign Office Materials Related to Ethiopian Boundaries. [s.n.], 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.