Dyfyniad APA
Ullman, D. G. (2018). The mechanical design process (6th ed.). Independesnce Oregon.
Dyfyniad Arddull Chicago
Ullman, David G. The Mechanical Design Process. 6th ed. United States: Independesnce Oregon, 2018.
Dyfyniad MLA
Ullman, David G. The Mechanical Design Process. 6th ed. Independesnce Oregon, 2018.
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