Gaya APA

Kassinger, R, K, R. (2002). Build a better mousetrap : make classic inventions, discover your problem - solving genius, and take the inventor's challenge.-- . New Jersey: John Wiley & Sons.

Gaya MLA

Kassinger, Ruth., Kassinger,, Ruth.. "Build a better mousetrap : make classic inventions, discover your problem - solving genius, and take the inventor's challenge.--". New Jersey: John Wiley & Sons, 2002. Buku.