Aitke, R. (1992). Teaching tenses. Thomas Nelson and Sons.
Chicagoスタイル(17版)引用形式Aitke, Rosemary. Teaching Tenses. Edinburgh: Thomas Nelson and Sons, 1992.
MLA(9版)引用形式Aitke, Rosemary. Teaching Tenses. Thomas Nelson and Sons, 1992.
警告: この引用は必ずしも正確ではありません.