Ab Urbe Condita/De imperio: verschil tussen versies

*{{Aut|L. De Libero}}, art. Imperium, in ''NP''5 (1998), klm. 955 - 958.

*[http://penelope.uchicago.edu/Thayer/E/Roman/Texts/secondary/SMIGRA*/Imperium.html {{Aut|G. Long}}, art. Imperium, in {{Aut|W. Smith}}, ''A Dictionary of Greek and Roman Antiquities'', Londen, 1875, pp. 628‑630.]