Dyfyniad APA
Timoshenko, S., & Young, D. (1956). Engineering mechanics (4th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Timoshenko, S., and D.H Young. Engineering Mechanics. 4th ed. New Delhi: McGraw-Hill, 1956.
Dyfyniad MLA
Timoshenko, S., and D.H Young. Engineering Mechanics. 4th ed. McGraw-Hill, 1956.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.