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