Riess, J. B. (1981). Political ideals in medieval Italian art: The Frescoes in the Palazzio dei Priori, Perugia (1297). UMI Research Press.
Citace podle Chicago (17th ed.)Riess, Jonathan B. Political Ideals in Medieval Italian Art: The Frescoes in the Palazzio Dei Priori, Perugia (1297). Ann Arbor, Mich: UMI Research Press, 1981.
Citace podle MLA (9th ed.)Riess, Jonathan B. Political Ideals in Medieval Italian Art: The Frescoes in the Palazzio Dei Priori, Perugia (1297). UMI Research Press, 1981.
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