Gadd, K. (2011). TRIZ for engineers: Enabling inventive problem solving. Wiley.
Citazione stile Chigago Style (17a edizione)Gadd, Karen. TRIZ for Engineers: Enabling Inventive Problem Solving. Chichester, West Sussex ; Hoboken, N.J.: Wiley, 2011.
Citatione MLA (9a ed.)Gadd, Karen. TRIZ for Engineers: Enabling Inventive Problem Solving. Wiley, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.