APA(7版)引用形式
Willis, J., & Willis, D. Challenge and Change in Language Teaching. Macmillan : Heinemann.
Chicagoスタイル(17版)引用形式
Willis, Jane, , Dave Willis. Challenge and Change in Language Teaching. Oxford, Inglaterra: Macmillan : Heinemann.
MLA(9版)引用形式
Willis, Jane, , Dave Willis. Challenge and Change in Language Teaching. Macmillan : Heinemann.
警告: この引用は必ずしも正確ではありません.