CROSS, N. (1994). Engineering design methodsNigel Cross. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)CROSS, Nigel. Engineering Design MethodsNigel Cross. John Wiley & Sons, 1994.
Lua MLA (8ú heag.)CROSS, Nigel. Engineering Design MethodsNigel Cross. John Wiley & Sons, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.