Kassinger, R. (2001). Reinvent the wheel: Make classic inventions, discover your problem-solving genius, and take the inventor's challenge. Wiley.
Chicago-referens (17:e uppl.)Kassinger, Ruth. Reinvent the Wheel: Make Classic Inventions, Discover Your Problem-solving Genius, and Take the Inventor's Challenge. New York: Wiley, 2001.
MLA-referens (8:e uppl.)Kassinger, Ruth. Reinvent the Wheel: Make Classic Inventions, Discover Your Problem-solving Genius, and Take the Inventor's Challenge. Wiley, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.