Kassinger, R. (2001). Reinvent the wheel: Make classic inventions, discover your problem-solving genius, and take the inventor's challenge. Wiley.
Chicago-viite (17. p.)Kassinger, Ruth. Reinvent the Wheel: Make Classic Inventions, Discover Your Problem-solving Genius, and Take the Inventor's Challenge. New York: Wiley, 2001.
MLA-viite (8. p.)Kassinger, Ruth. Reinvent the Wheel: Make Classic Inventions, Discover Your Problem-solving Genius, and Take the Inventor's Challenge. Wiley, 2001.
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