Cross, N. (2008). Engineering design methods: Strategies for product design (4th ed.). J. Wiley.
Lua i Stíl Chicago (17ú heag.)Cross, Nigel. Engineering Design Methods: Strategies for Product Design. 4th ed. Chichester, England: J. Wiley, 2008.
Lua MLA (9ú heag.)Cross, Nigel. Engineering Design Methods: Strategies for Product Design. 4th ed. J. Wiley, 2008.
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