(1997). Engineering design graphics workbook: A concurrent engineering approach / Ronald E. Barr [and others].
Čikaški stil citiranja (17. izdanje)Engineering Design Graphics Workbook: A Concurrent Engineering Approach / Ronald E. Barr [and Others]. 1997.
MLA način citiranja (9. izdanje)Engineering Design Graphics Workbook: A Concurrent Engineering Approach / Ronald E. Barr [and Others]. 1997.
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