card 2.1
Roozenburg, N. F. M., Eekels, J. (1995). Product Design, Fundamentals and Methods. Chichester: John Wiley & Sons.

card 2.2, card 2.4
Hofstede, G. H., Hofstede, G.J. (2005). Cultures and organizations, software of the mind. 2nd
Edition, New York: McGraw-Hill.

card 2.6
van Boeijen, A.G.C. (2013). Socio-cultural dimensions to sharpen designer’s cultural eyeglasses. In proceedings Engineering and &Product Design Education conference, 5-6 September 2013, Dublin, Ireland.

card 2.7, card 2.9, card 2.14
Trompenaars F., Hampden-Turner, C. (1998). Riding the waves of culture; understanding diversity on global business. New York: McGraw-Hill.

card 2.9
Hall, E.T. (1976). Beyond Culture. New York: Anchor Books.

card 2.12
Lewin, K. (1936). Some Social-Psychological Differences between the US and Germany. In K. Lewin (Ed.), Principles of Topological Psychology. Transl. Fritz Heider & Grace M. Heider. New York: McGraw-Hill.