Beer, F. P., & Johnston, E. R. Vector mechanics for engineers (4th ed.).
芝加哥风格引文Beer, Ferdinand P., 与 E. Russell Johnston. Vector Mechanics for Engineers. 4th ed.
MLA引文Beer, Ferdinand P., 与 E. Russell Johnston. Vector Mechanics for Engineers. 4th ed.
警告：这些引文格式不一定是100％准确.