(1964). Early middle ages (500-1000). Free Press.
Chicagoスタイル(17版)引用形式Early Middle Ages (500-1000). New York: Free Press, 1964.
MLA(9版)引用形式Early Middle Ages (500-1000). Free Press, 1964.
警告: この引用は必ずしも正確ではありません.
(1964). Early middle ages (500-1000). Free Press.
Chicagoスタイル(17版)引用形式Early Middle Ages (500-1000). New York: Free Press, 1964.
MLA(9版)引用形式Early Middle Ages (500-1000). Free Press, 1964.