1 2 Scullard, Howard Hayes: A History of the Roman World, 753 to 146 BC. Routledge, 2002, page 316. ISBN 0-415-30504-7
↑ Keith C. Sidwell & Peter V. Jones (1997). The world of Rome: an introduction to Roman culture. Cambridge University Press. tr. 16. ISBN0-521-38600-4.Quản lý CS1: sử dụng tham số tác giả (liên kết)
↑ At Senatui quae sint gerenda praescribo et quo modo, Carthagini male iam diu cogitanti bellum multo ante denuntio, de qua vereri non ante desinam, quam illam excissam esse cognovero. Cicero, Marcus Tullius: De senectute. English translation and comments by William Armistead Falconer. Loeb Classical Library, Harvard University Press, 1923, page 26. ISBN 0-674-99170-2
