Dyfyniad APA

TIMOSHENKO, S., & YOUNG, D. (1968). Elements of strenght of materials. -- Ed.5. Litton Educational.

Dyfyniad Arddull Chicago

TIMOSHENKO, S.P, and D.H YOUNG. Elements of Strenght of Materials. -- Ed.5. New Dehli: Litton Educational, 1968.

Dyfyniad MLA

TIMOSHENKO, S.P, and D.H YOUNG. Elements of Strenght of Materials. -- Ed.5. Litton Educational, 1968.

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