Holtzapple, M. T. (2000). Foundations of engineering. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Holtzapple, Mark T. Foundations of Engineering. McGraw-Hill, 2000.
Lua MLA (8ú heag.)Holtzapple, Mark T. Foundations of Engineering. McGraw-Hill, 2000.
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