Dyfyniad APA

American Society of Civil Engineers.; American Society of Civil Engineers. Engineering Mechanics Division. Journal of engineering mechanics. American Society of Civil Engineers.

Dyfyniad Arddull Chicago

American Society of Civil Engineers.; American Society of Civil Engineers. Engineering Mechanics Division. Journal of Engineering Mechanics. Reston: American Society of Civil Engineers.

Dyfyniad MLA

American Society of Civil Engineers.; American Society of Civil Engineers. Engineering Mechanics Division. Journal of Engineering Mechanics. American Society of Civil Engineers.

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