Gadd, K. (2011). TRIZ for engineers: Enabling inventive problem solving. Wiley.
Čikaški stil citiranja (17. izdanje)Gadd, Karen. TRIZ for Engineers: Enabling Inventive Problem Solving. Chichester, West Sussex ; Hoboken, N.J.: Wiley, 2011.
MLA način citiranja (9. izdanje)Gadd, Karen. TRIZ for Engineers: Enabling Inventive Problem Solving. Wiley, 2011.
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