Forbes, R. J. (1964). Notes on the history of ancient roads and their construction (2nd ed.). Amsterdam: Hakkert.
Παραπομπή Chicago StyleForbes, R. J. Notes On the History of Ancient Roads and Their Construction. 2nd ed. Amsterdam: Hakkert, 1964.
Παραπομπή MLAForbes, R. J. Notes On the History of Ancient Roads and Their Construction. 2nd ed. Amsterdam: Hakkert, 1964.
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