Dyfyniad APA

Timoshenko, S. P. (1953). History of strength of materials. McGraw-Hill.

Dyfyniad Arddull Chicago

Timoshenko, S P. History of Strength of Materials. New York: McGraw-Hill, 1953.

Dyfyniad MLA

Timoshenko, S P. History of Strength of Materials. McGraw-Hill, 1953.

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