1. Beyer, H. and Holtzblatt, K. (1998).Contextual Design: Defining Customer-Centred Systems. Morgan Kaufmann, San Francisco, California.
2. Bødker, S. (1991).Through the Interface: A Human Approach to User Interface Design. New Jersey, Lawrence Erlbaum.
3. Brown, J.S. and Duguid, P. (1994). Borderline issues: Social and material aspects of design.Human-Computer Interaction, 9(1), 3–36.
4. Carroll, J.M. (2000). Five reasons for scenario-based design.Interacting with Computers, 13(1), 43–60.
5. Constantine, L.L. and Lockwood, L.A.D. (1999).Software for Use: A Practical Guide to the Models and Methods of Usage-Centred Design. Addison-Wesley, Reading, MA.