Crump, G. C., & Jacob, E. F. The legacy of the Middle Ages. Oxford University Press.
Chicagoスタイル(17版)引用形式Crump, G. C., , E. F. Jacob. The Legacy of the Middle Ages. London: Oxford University Press.
MLA(8版)引用形式Crump, G. C., , E. F. Jacob. The Legacy of the Middle Ages. Oxford University Press.
警告: この引用は必ずしも正確ではありません.