Gadd, K. (2011). TRIZ for engineers: Enabling inventive problem solving. Wiley.
Chicago Style (17th ed.) ZitazioaGadd, Karen. TRIZ for Engineers: Enabling Inventive Problem Solving. Chichester, West Sussex ; Hoboken, N.J.: Wiley, 2011.
MLA (9th ed.) ZitazioaGadd, Karen. TRIZ for Engineers: Enabling Inventive Problem Solving. Wiley, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.