1. Pine, J., Gilmore, J.H.: The Experience Economy: Working is Theatre & Every Business a Stage. Harvard Business School Press, Boston (1999)
2. Hassenzahl, M.: The thing and I: understanding the relationship between user and product. In: Blythe, M., Overbeeke, C., Monk, A.F., Wright, P.C. (eds.) Funology: From Usability to Enjoyment, pp. 31–42. Kluwer, Dordrecht (2003)
3. ISO 13407:1999, Human-Centred Design Proceses for Interactive Systems. International Standardization Organization (ISO), Switzerland
4. COST294-MAUSE, Workshop on User Experience – Towards a Unified View. In: conjunction with NordiCHI, conference, Oslo, Norway (2006), http://www.cost294.org/
5. Väänänen-Vainio-Mattila, K., Roto, V., Hassenzahl, M.: Now Let’s Do It in Practice: User Experience Evaluation Methods in Product Development. In: CHI 2008 Proceedings - Workshops, Florence, Italy, April 6, 2008, pp. 3961–3964 (2008), http://www.cs.tut.fi/ihte/CHI08_workshop/slides/Poster_UXEM_CHI08_V1.1.pdf