APA-ийн эшлэл(7 дахь хэвлэлт)

Eastaway, R., Wyndham, J., & Shore, B. (2002). How long is a piece of string?: More hidden mathematics of everyday life. Robson Books.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Eastaway, Rob, Jeremy Wyndham, ба Barbara Shore. How Long Is a Piece of String?: More Hidden Mathematics of Everyday Life. London: Robson Books, 2002.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Eastaway, Rob, et al. How Long Is a Piece of String?: More Hidden Mathematics of Everyday Life. Robson Books, 2002.