Dyfyniad APA
Mechanics of materials & Johnston,E.Russell/Dewole,John T./Mazurek,David F./Beer,Ferdinand P. (2012). Mechanics of materials (5th ed.). TMH.
Dyfyniad Arddull Chicago
Mechanics of materials and Johnston,E.Russell/Dewole,John T./Mazurek,David F./Beer,Ferdinand P. Mechanics of Materials. 5th ed. New delhi: TMH, 2012.
Dyfyniad MLA
Mechanics of materials and Johnston,E.Russell/Dewole,John T./Mazurek,David F./Beer,Ferdinand P. Mechanics of Materials. 5th ed. TMH, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.