Eastaway, R., Wyndham, J., & Shore, B. (2002). How long is a piece of string?: More hidden mathematics of everyday life. Robson Books.
芝加哥风格引文Eastaway, Rob, Jeremy Wyndham, 与 Barbara Shore. How Long Is a Piece of String?: More Hidden Mathematics of Everyday Life. London: Robson Books, 2002.
MLA引文Eastaway, Rob, et al. How Long Is a Piece of String?: More Hidden Mathematics of Everyday Life. Robson Books, 2002.
警告：这些引文格式不一定是100％准确.