<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Martin, B & Hanington, B (2012)</hi>: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Universal Methods of Design. 100 Ways to Research Complex, Problems, Develop Innovative Ideas, and Design Effective Solutions.</hi> Beverly: Rockport.