Edwards, I. E. S. (1971). The Cambridge ancient history / Third edition (Third ed.). Cambridge Univ. Press.

Edwards, Iowerth Eiddon Stephen. The Cambridge Ancient History / Third Edition. Third ed. Cambridge [u.a.]: Cambridge Univ. Press, 1971.

Edwards, Iowerth Eiddon Stephen. The Cambridge Ancient History / Third Edition. Third ed. Cambridge Univ. Press, 1971.