Norman, D. A. (2013). The design of everyday things (9780465050659.). Basic Books.
Cita Chicago (17th ed.)Norman, Donald A. The Design of Everyday Things. 9780465050659. New York: Basic Books, 2013.
Cita MLA (9th ed.)Norman, Donald A. The Design of Everyday Things. 9780465050659. Basic Books, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.