Barber, M. (2003). the two cities: Medieval europe 1050-1320 (Second edition.). Routledge.
Chicagoスタイル(17版)引用形式Barber, Malcolm. The Two Cities: Medieval Europe 1050-1320. Second edition. London: Routledge, 2003.
MLA(9版)引用形式Barber, Malcolm. The Two Cities: Medieval Europe 1050-1320. Second edition. Routledge, 2003.
警告: この引用は必ずしも正確ではありません.