Beer, F. P., Chaudhry, K. K., Staab, G. H., Eisenberg, E. R., & Johnston, E. R. (2004). Vector mechanics for engineers: Statics (7th ed. on SI units.). Boston: McGraw-Hill.

Beer, Ferdinand Pierre, K K. Chaudhry, George H. Staab, Elliot R. Eisenberg, and E. Russell Johnston. Vector Mechanics for Engineers: Statics. 7th ed. on SI units. Boston: McGraw-Hill, 2004.

Beer, Ferdinand Pierre, et al. Vector Mechanics for Engineers: Statics. 7th ed. on SI units. Boston: McGraw-Hill, 2004.