MORRALL, J. B. (1971). Political thought in medieval times. Hutchinson University Library.
Citazione stile Chigago Style (17a edizione)MORRALL, John B. Political Thought in Medieval Times. London: Hutchinson University Library, 1971.
Citatione MLA (9a ed.)MORRALL, John B. Political Thought in Medieval Times. Hutchinson University Library, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.