Bedford. (2005). Enginerring mechanics statics. London: Pearson Prentice Hall.
Trích dẫn kiểu ChicagoBedford. Enginerring Mechanics Statics. London: Pearson Prentice Hall, 2005.
Deismireacht MLABedford. Enginerring Mechanics Statics. London: Pearson Prentice Hall, 2005.
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