Pentek, Zdzisław. “Jonathan Phillips, The Fourth Crusade and the Sack of Constantinople, London 2005, Pimlico, Pp. XXVI, 374, Illustrations, Maps”. Balcanica Posnaniensia. Acta et studia 14 (December 31, 2007): 276–277. Accessed August 4, 2026. https://pressto.amu.edu.pl/index.php/bp/article/view/52848.