Dyfyniad APA

Riley, W. (2007). Mechanics of MaterialsWilliam Riley, Leroy Sturges, Don Morris. John Wiley & Son.

Dyfyniad Arddull Chicago

Riley, William. Mechanics of MaterialsWilliam Riley, Leroy Sturges, Don Morris. John Wiley & Son, 2007.

Dyfyniad MLA

Riley, William. Mechanics of MaterialsWilliam Riley, Leroy Sturges, Don Morris. John Wiley & Son, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.