Joel, Sian, Smyth, Michael and Rodgers, Paul (2005) An ethnomethodological approach to the early stages of product design practice. In: Crossing Design Boundaries: Proceedings of the 3rd Engineering & Product Design Education International Conference. Taylor & Francis, London, pp. 157-162. ISBN 978-0-415-39118-4

Rodgers, Paul, Hepburn, Duncan and Brodhurst, Libby (2005) Crossing design boundaries. Taylor and Francis, London. ISBN 0415391180