Beer, F. P., & Johnston, E. R. (1988). Vector mechanics for engineers: : statics. McGraw-Hill.
Dyfyniad Arddull ChicagoBeer, Ferdinand Pierre, and E. Russell Johnston. Vector Mechanics for Engineers: : Statics. New York: McGraw-Hill, 1988.
Dyfyniad MLABeer, Ferdinand Pierre, and E. Russell Johnston. Vector Mechanics for Engineers: : Statics. McGraw-Hill, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.