Hallworth, G., & Lisa, K. (1996). Sleep tight. Cambridge University Press ; New Delhi.
芝加哥风格引文Hallworth, Grace, 与 Kopper Lisa. Sleep Tight. Cambridge : Cambridge house: Cambridge University Press ; New Delhi, 1996.
MLA引文Hallworth, Grace, 与 Kopper Lisa. Sleep Tight. Cambridge University Press ; New Delhi, 1996.
警告：这些引文格式不一定是100％准确.