BURY,Christopher, POTTER, M., & WINTER, M. (1990). Student practice book 7: Video english. Macmillan Pub.
芝加哥风格引文BURY,Christopher, Mike POTTER, 与 Michael WINTER. Student Practice Book 7: Video English. London: Macmillan Pub, 1990.
MLA引文BURY,Christopher, et al. Student Practice Book 7: Video English. Macmillan Pub, 1990.
警告：这些引文格式不一定是100％准确.