Hanington, B., & Martin, B. (2012). Universal methods of design 100 ways to research complex problems, develop innovative ideas, and design effective solutions / Bruce Hanington and Bella Martin: 100 ways to research complex problems, develop innovative ideas, and design effective solutions. Rockport Publishers.
Chicago Style (17th ed.) CitationHanington, Bruce, and Bella Martin. Universal Methods of Design 100 Ways to Research Complex Problems, Develop Innovative Ideas, and Design Effective Solutions / Bruce Hanington and Bella Martin: 100 Ways to Research Complex Problems, Develop Innovative Ideas, and Design Effective Solutions. Beverley: Rockport Publishers, 2012.
MLA (9th ed.) CitationHanington, Bruce, and Bella Martin. Universal Methods of Design 100 Ways to Research Complex Problems, Develop Innovative Ideas, and Design Effective Solutions / Bruce Hanington and Bella Martin: 100 Ways to Research Complex Problems, Develop Innovative Ideas, and Design Effective Solutions. Rockport Publishers, 2012.