Johnston, J. E. R., & Beer Ferdinnand P. (1987). Mechanics for Engineers: Dynamics. American: McGraw -Hill.
Trích dẫn kiểu ChicagoJohnston, Jr E. Russell, và Beer Ferdinnand P. Mechanics for Engineers: Dynamics. American: McGraw -Hill, 1987.
MLA引文Johnston, Jr E. Russell, và Beer Ferdinnand P. Mechanics for Engineers: Dynamics. American: McGraw -Hill, 1987.
警告：這些引文格式不一定是100％准確.