Fox, J., Willis, J., & Willis, D. (1996). Challenge and change in language teaching. Heinemann,.
芝加哥风格引文Fox, Jeremy, Jane Willis, 与 Dave Willis. Challenge and Change in Language Teaching. Oxford.: Heinemann,, 1996.
MLA引文Fox, Jeremy, et al. Challenge and Change in Language Teaching. Heinemann,, 1996.
警告：这些引文格式不一定是100％准确.