Colbourn, S. (2007). Robin hood (abridged version): 4 (pre-intermediate level). Macmillan.
Chicagoスタイル(17版)引用形式Colbourn, Stephen. Robin Hood (abridged Version): 4 (pre-intermediate Level). Oxford: Macmillan, 2007.
MLA(9版)引用形式Colbourn, Stephen. Robin Hood (abridged Version): 4 (pre-intermediate Level). Macmillan, 2007.
警告: この引用は必ずしも正確ではありません.