Potter, M. (1990). Panorama: [level 3] (American-English ed.). Macmillan Publishers.
芝加哥风格引文Potter, Mike. Panorama: [level 3]. American-English ed. London: Macmillan Publishers, 1990.
MLA引文Potter, Mike. Panorama: [level 3]. American-English ed. Macmillan Publishers, 1990.
警告：这些引文格式不一定是100％准确.