Dyfyniad APA

UGURAL, A. C. Advanced Strenght and Applied Elasticity. Prentice Hall.

Dyfyniad Arddull Chicago

UGURAL, Ansel C. Advanced Strenght and Applied Elasticity. Prentice Hall.

Dyfyniad MLA

UGURAL, Ansel C. Advanced Strenght and Applied Elasticity. Prentice Hall.

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