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Lua i Stíl Chicago (17ú heag.)Polybius, Ian Scott-Kilvert, agus F. W. Walbank. Polybius: The Rise of the Roman Empire. Harmondworth, England: Penguin, 1979.
Lua MLA (9ú heag.)Polybius, et al. Polybius: The Rise of the Roman Empire. Penguin, 1979.
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