Viney, P., Cawood, G., & Duckworth, M. Streamline english. Directions teacher's Editions (3a ed.).
芝加哥风格引文Viney, Peter, Graham Cawood, 与 Michael Duckworth. Streamline English. Directions Teacher's Editions. 3a ed.
MLA引文Viney, Peter, et al. Streamline English. Directions Teacher's Editions. 3a ed.
警告：这些引文格式不一定是100％准确.